Search results for

Laboratory Technician Jobs in Boston, MA

Laboratory Technician/Technologist

South Shore Health

$45000 - $54000

Weymouth, MA

In the event of an occurrence resulting in incorrect results reported on a patient, employee consistently follows the established policy on Correcting Results including the notification and documentation of corrective actions taken. Will ensure that all revised reports for previously reported incorrect (erroneous) results are identified as revised, corrected or amended according to established procedure and will appropriately notifies the patient care giver.

1 day ago
Surgical Technician (PRN)

Novamed Surgery Center of Nashua

Nashua, NH

GENERAL SUMMARY OF DUTIES: Surgical technologists, also called scrubs and surgical or operating room technicians, assist in surgical operations under the supervision of surgeons, registered nurses, or other surgical personnel. Before an operation, surgical technologists h elp prepare the operating room by setting up surgical instruments and equipment, sterile drapes, and sterile solutions.

Today
Entry Level Aerospace Manufacturing Technician - 2nd Shift

Poly6

$25 - $32

Burlington, MA

Maintain a clean, organized, and safe workspace in accordance with 6S and EHS policies and support Chemical Hygiene initiatives such as material handling, including powder management, safe disposal of AM materials, and adherence to PPE and chemical hygiene protocols. We deliver high-performance products that meet the rigorous demands of quality, durability, and precision required for next-generation turbine engines while helping reduce greenhouse gas emissions.

2 days ago
Pharmacy Technician I

SOFIE

Haverhill, MA

As a Pharmacy Technician, you’ll work side-by-side with licensed Nuclear Pharmacists in a clean, highly controlled environment to help prepare and distribute these important medications. Perform the duties associated with compounding, dispensing, and distribution of FDG and NaF, including data entry with Pinestar for end-of-day reports and daily dose management reports.

11 days ago
Dialysis Patient Care Technician-PCT

Dialysis Clinic, Inc.

Concord, MA

The Patient Care Technician (PCT) provides care to patients with end-stage renal disease, supporting clinical staff throughout the dialysis treatment process to deliver prescribed treatments. Join DCI today to build relationships and gain fulfillment serving individuals in our comfortable clinical setting with a lower caregiver-to-patient ratio than other providers.

3 days ago
Maintenance Technician Lab Instruments

Diedre Moire Corp.

$90000 - $140000

Cumberland, RI

CONSIDERED EXPERIENCE INCLUDES: Metrologist Maintenance Calibration Technician Metrology Analytical Laboratory Instrumentation Validation Chromatography Mass Spectrometry HPLC UPLC GC MS GC/MS Chemistry Analyzers #DiedreMoire #JobSearch #JobHunt #JobOpening #Hiring #Job #Jobs #Careers #Employment #fieldservicejobs #technicianjobs #LabTechnicianJobs #MetrologistJobs #CalibrationTechDISCLAIMER: We will make every effort to consider applications for all available positions and shall use one or more of the contact methods and addresses indicated in resume or online application. Repair, maintain, troubleshoot, install, and calibrate High Performance Liquid Chromatographs, Gas Chromatography Mass Spectrometers, Liquid Chromatography Mass Spectrometers, Atomic Absorption Spectrometers, and similar analytical instrumentation.

21 days ago
Acute Inpatient Registered Nurse - RN

Fresenius Medical Care

$35 - $59

Boston, MA

Responsible for direct patient care of assigned patients in the Inpatient Renal Replacement and Apheresis Services setting and providing the appropriate treatment technique for assigned patients as prescribed in all modality procedures, as appropriately defined – hemodialysis, peritoneal, continuous renal replacement therapies, ultrafiltration, and Apheresis. Under limited supervision, applies considerable knowledge to perform a broad range of tasks which include but are not limited to direct patient care in multiple modalities not limited to hemodialysis, peritoneal dialysis, ultrafiltration, continuous renal replacement therapy, and Apheresis.

1 day ago
Instrumentation Technician

Diedre Moire Corp.

$90000 - $140000

Nashua, NH

CONSIDERED EXPERIENCE INCLUDES: Metrologist Maintenance Calibration Technician Metrology Analytical Laboratory Instrumentation Validation Chromatography Mass Spectrometry HPLC UPLC GC MS GC/MS Chemistry Analyzers #DiedreMoire #JobSearch #JobHunt #JobOpening #Hiring #Job #Jobs #Careers #Employment #fieldservicejobs #technicianjobs #LabTechnicianJobs #MetrologistJobs #CalibrationTechDISCLAIMER: We will make every effort to consider applications for all available positions and shall use one or more of the contact methods and addresses indicated in resume or online application. Metrology Metrologist Field Service Tech Technician Engineer Install Repair Calibrate Maintain Validate Maintenance Laboratory Instrument Instrumentation LCMS HPLC GC MS Gas Chromatography Mass Spec Spectrometry - .

13 days ago
Outpatient Registered Nurse - RN

Fresenius Medical Care

$35 - $56

Roxbury, MA

Supports the FMCNA commitment to the Quality Enhancement Program (QEP) and CQI Activities including those related to patient satisfaction and actively participates in process improvement activities that enhance the likelihood that patients will achieve the FMCNA Quality Enhancement Goals (QEP). Actively participates in the pre evaluation initiation monitoring termination access homeostasis and post evaluation of patients receiving hemodialysis treatment therapy according to established FMC procedures.

Today
R&D Technician II

Talent Software Services

$20 - $23

Marlborough, MA

Position Summary: We're looking for candidates that are capable of working independently using Protocols and the various Test Methods prescribed by them, following some limited training. Works under limited supervision, assisting R&D engineers, scientists, and/or teams in the development and analysis of products, materials, processes, or equipment.

26 days ago
Laboratory Technician $33/hr

Veterans Sourcing Group

South Boston, MA

Degree in related discipline (Chemistry, Biology, etc.) and/or equivalent work experience - Knowledge of complex laboratory techniques, equipment, terminology, materials and substances. - Responsible for handling sensitive equipment to analyze samples or substances and conduct tests reporting findings to a laboratory manager.

30+ days ago
Laboratory Technician/Technologist $5,000 Sign on Bonus!!

South Shore Health

Weymouth, MA

There are so many amazing reasons to work for South Shore Health, but here are just a few: -Competitive Benefit Programs-Generous PTO-Community Discounts-Career Advancement Opportunities-Strong Employee CultureIn this role, the lab technician/technologist will be responsible for the analysis of laboratory specimens and subsequent result reporting according to Laboratory protocol and procedures. Reports to workstation/assignment on schedule, ready to start work, and works entire shift as assigned, unless absence/tardiness/leaving early is pre-approved, or appropriate notice for unscheduled absence is given to the employee’s manager.

30+ days ago
Biology Laboratory Technician

Veterans Sourcing Group

Marlboro, MA

Responsibilities:The Center for Biological Innovation (CBI) that utilizes in vitro and ex vivo approaches, such as biochemical, cell-based, microbial, and tissue-based assays to support the design, development and commercialization products. Candidate should have appropriate scientific experience to provide the technical support required for supporting in vitro biomedical research studies.

30+ days ago
Medical Laboratory Technician

Beth Israel Lahey Health

Cambridge, MA

Mount Auburn Hospital employees must be able to readily adjust to change and handle a rapid-paced environment and the stresses associated with that, while continuing to provide high-quality, efficient service. Performs data entry with repetitive hand movement, and visual concentration at video display terminal, in order to review and enter data.

30+ days ago
Cytology-Pathology Laboratory Preparation Technician

Boston Medical Center

Boston, MA

Accessions tissue specimens for the Surgical Pathology, Cytology (patient/physician name, patient information, clinical history, condition of specimen, test requested, assigned identification number, reporting data, etc.) directly into the computer, in a careful and timely manner. Duties include examination of cytology and pathology specimens, accessioning, preparation and staining of Cytology GYN, Non-GYN, and FNA specimen, preparation and staining of Sure Path and other slides.

30+ days ago
Quality - Laboratory Technician

TechDigital Corporation

Ayer, MA

Key Responsibilities: • Independently execute routine lab operations activities including, but not limited to: o Maintaining consumable and chemical ordering lists, as well as chemical inventory to ensure uninterrupted stocks are available to analytical labs. o Schedules equipment maintenance as needed and works with vendors/engineers (Waters, Sciex, Protein Simple, ThermoFisher) to keep instrumentation in proper working order in a timely manner.

30+ days ago
Laboratory Technician

TechDigital

MARLBOROUGH, MA

Technical Experience: Experience with general laboratory techniques such as reaction set-ups, precipitation, filtration, Schlenk techniques, distillation, closed transfer, crystallization, rotary evaporators, and vacuum pumps/ovens. Safety Oriented: Demonstrates safe behavior in the laboratory with a demonstrated ability to evaluate safety risks and reactivity concerns in multigram scale multi-step organic synthesis.

30+ days ago
Laboratory Animal Technician - Biomedical Research

GTT, LLC

$24 - $25

Boston, MA

Key ResponsibilitiesAnimal Care & MonitoringProvide daily husbandry care to research animals following approved schedules and procedures. Equipment & OperationsOperate biosafety cabinets, animal transfer stations, chemical foamers, hydraulic lifts, and ventilated racks.

30+ days ago
Medical Laboratory Scientist III - Lab-South

Dartmouth-Hitchcock Health

Manchester, New Hampshire

Required Licensure/Certifications: Medical Laboratory Technician (MLT) or Medical Laboratory Science (MLS) or Medical Laboratory Technician (MLT-AMT) or Technologist/Specialist in Chemistry (C-ASCP) or International Technologist in Microbiology (M-ASCP) or Specialist in Hematology (SH-ASCP) or International Specialist in Microbiology (SM-ASCP) within 365 days. Dartmouth Hitchcock Medical Center and Clinics is home to the largest laboratory in NH, providing Pathology and Clinical Laboratory services to DHMC & Clinics physician practices, Dartmouth Health system member hospitals, and independent practices and hospitals throughout NH and VT.

30+ days ago
Assistant Supervisor Laboratory (Hematology)($5 000 Sign-on Bonus external candidates only)

Boston Medical Center

Boston, MA

Requires a Bachelor's degree from an accredited university or college in Medial Technology or Clinical Laboratory Science which includes successful completion of a supervised course of clinical internship in an approved hospital laboratory, or a Bachelor's degree in an applied science (Chemistry, Biology, Biochemistry). CERTIFICATES, LICENSES, REGISTRATIONS REQUIRED: Certification by American Society of Clinical Pathologists (ASCP) or National Credentialing Agency (NCA) or equivalent agency as a Medical Technologist, Clinical Laboratory Scientist, Medical Laboratory Technician, or specialty certification is preferred.

30+ days ago
Medical Laboratory Scientist

Aptive

$40 - $45

West Roxbury, Massachusetts

The employee will perform routine chemistry and urinalysis testing using automated instrumentation, including Beckman Coulter Urinalysis systems, Advanced Instruments Osmos, Polymedco OC80, and manual urinalysis and chemistry methods. The employee will perform routine chemistry testing using automated instrumentation, including Abbott Architect ci8200, Abbott Alinity, Advanced Instruments Osmos, Polymedco OC80, and manual chemistry methods.

8 days ago
Medical Laboratory Scientist III - Lab-South, Part-Time

Dartmouth-Hitchcock Health

Manchester, New Hampshire

Required Licensure/Certifications: Medical Laboratory Technician (MLT) or Medical Laboratory Science (MLS) or Medical Laboratory Technician (MLT-AMT) or Technologist/Specialist in Chemistry (C-ASCP) or International Technologist in Microbiology (M-ASCP) or Specialist in Hematology (SH-ASCP) or International Specialist in Microbiology (SM-ASCP) within 365 days. Dartmouth Hitchcock Medical Center and Clinics is home to the largest laboratory in NH, providing Pathology and Clinical Laboratory services to DHMC & Clinics physician practices, Dartmouth Health system member hospitals, and independent practices and hospitals throughout NH and VT.

6 days ago
Medical Laboratory Supervisor

MFM Health

Middleton, MA

MFM Health is seeking an experienced and hands-on Medical Laboratory Supervisor to lead daily laboratory operations across multiple sites, including point-of-care testing. We pride ourselves on our commitment to excellence, offering services 365 days a year, drive-thru healthcare, and on-site specialty teams and ancillary services.

10 days ago
Research Laboratory Supervisor- Daley Lab

Boston Children's Hospital

Boston, MA

The Daley laboratory (https://daley.med.harvard.edu), a multinational research group at Boston Children’s Hospital, is seeking a responsible, conscientious, and detail-oriented individual to join our ongoing efforts to uncover the molecular mechanisms that regulate blood development, aging and malignant transformation. Maintains database of research reagents; fulfills internal and external reagent requests and coordinates exchanges with collaborating laboratories, including management of Material Transfer Agreements (MTAs).

18 days ago
Medical Laboratory Scientist II / Chemistry Lab FT Evening Shift

Beth Israel Lahey Health

Boston, MA

Team Work: Ability to work collaboratively in small teams to improve the operations of immediate work group by offering ideas, identifying issues, and respecting team members. Problem Solving: Ability to address problems that are varied, requiring analysis or interpretation of the situation using direct observation, knowledge and skills based on general precedents.

30+ days ago
Laboratory Support - Phlebotomy Services (Per-Diem)

Boston Medical Center

Boston, MA

Receives and prepares laboratory specimens prior to laboratory analysis and testing, including study specimens, random and 24 hour urines, and send-out specimens. Excellent English communication skills (oral and written) and interpersonal skills are required to communicate effectively with internal and external contacts in a courteous and customer service manner.

30+ days ago
Manager Laboratory Medicine (Hematology)

Boston Medical Center

Boston, MA

Takes full fiscal responsibility for section oversights, including but not limited to: preparing and managing an operating budget, managing staffing expenses and overtime (OT), capital budget, analyzing billing codes, preparing return on investment business analysis, fully supporting the revenue integrity of the Laboratory including accurate charges, billing and collections. Requires a Bachelor's degree from an accredited university or college in Medial Technology or Clinical Laboratory Science which includes successful completion of a supervised course of clinical internship in an approved hospital laboratory, or a Bachelor's degree in an applied science (for example Chemistry, Biology or Biochemistry).

30+ days ago
LABORATORY CLINICAL SPECIALIST FOR BLOOD BANK

Beth Israel Lahey Health

Plymouth, MA

Responsible for organizing, performing and assigning laboratory procedures to technicians / technologists, and maintaining general efficiency in assigned areas; through monitors and staff evaluations. These responsibilities extend to all areas of the laboratory in the absence of the Administrative Laboratory Director and / or Clinical Manager or Anatomic Pathology Manager.

30+ days ago
Laboratory Assistant - Core Lab - 20 Hours - Evening Shift

Beth Israel Lahey Health

Cambridge, MA

Assists with the required processing of laboratory specimens including but not limited to verification of specimen identification, requisition entry when necessary, centrifugation, and pouring of aliquots. + Works closely with technical and clerical staff to maintain communication related to patient tests/processing.

30+ days ago
Per Diem Laboratory Assistant - Core Lab

Beth Israel Lahey Health

Cambridge, MA

Assists with the required processing of laboratory specimens including but not limited to verification of specimen identification, centrifugation, and pouring of aliquots. + Demonstrates initiative and creativity to continuously improve services, departmental and interdepartmental processes, and any other activities that affect quality.

30+ days ago
Medical Laboratory Scientist II/40hr/days/HemeOncLab

Beth Israel Lahey Health

Boston, MA

Team Work: Ability to work collaboratively in small teams to improve the operations of immediate work group by offering ideas, identifying issues, and respecting team members. Problem Solving: Ability to address problems that are varied, requiring analysis or interpretation of the situation using direct observation, knowledge and skills based on general precedents.

30+ days ago
Medical Laboratory Scientist II - Point of Care

Beth Israel Lahey Health

Boston, MA

Team Work: Ability to work collaboratively in small teams to improve the operations of immediate work group by offering ideas, identifying issues, and respecting team members. Problem Solving: Ability to address problems that are varied, requiring analysis or interpretation of the situation using direct observation, knowledge and skills based on general precedents.

30+ days ago
Clinical Laboratory Specialist

Beth Israel Lahey Health

Cambridge, MA

Performs data entry with repetitive hand movement and visual concentration at video display terminal in order to review and enter data. When you join the growing BILH team, you're not just taking a job, you’re making a difference in people’s lives.

30+ days ago
MEDICAL LAB TECHNICIAN (MLT)

Beth Israel Lahey Health

Milton, MA

Assist with local, state, federal, and regulatory agency compliance and preparedness activities, > Perform job functions in a manner that promotes the safety and health of Milton Hospital co-workers, patients, and visitors in Milton Hospital. + Perform phlebotomy as needed to ensure timely provision of laboratory services to patients > Answer telephone according to Laboratory policy, take and relay messages accurately to the appropriate person.

30+ days ago
Clinical Laboratory Manager - Full Time

Beth Israel Lahey Health

Plymouth, MA

Collaborates with the Director of Clinical Laboratories, medical director(s), medical staff, clinical services administrative team, and staff on issues related to the management of care to ensure quality patient care delivery. Must have exceptional oral and written communication proficiency; attention to detail and ability to multi-task; possess strong organizational skills.

30+ days ago
Laboratory Account Manager

Beth Israel Lahey Health

Boston, MA

Demonstrates advanced knowledge of Beth Israel Lahey Health and customer industry, including: key competitors, terminology, technology, trends, challenges, reimbursement and government regulation; demonstrates working knowledge of how Beth Israel Lahey Health offerings match with a customers' unique business needs. Customer Service: Ability to provide a high level of customer service to patients, visitors, staff and external customers in a professional, service-oriented, respectful manner using skills in active listening and problem solving.

30+ days ago
Assistant Director of Dental Laboratory Operations

Tufts University

Boston, Massachusetts

The Assistant Director of Dental Laboratory Operations reports to the Senior Director of Clinical and Educational Operations and works in close partnership with faculty leadership, clinical operations, materials management, simulation leadership, and digital dentistry leadership. What You'll Do: The Assistant Director of Dental Laboratory Operations provides senior-level leadership for all laboratory-related operations supporting education, clinical care, and academic programs at Tufts University School of Dental Medicine.

25 days ago
LABORATORY SUPERVISOR, School of Medicine, Anatomy & Neurobiology

Boston University

$62525 - $81175

Boston, MA

Responsibilities include ensuring compliance with institutional biosafety (IBC) and USDA regulations, maintaining research integrity through effective data and biospecimen management, and coordinating research activities among students, technicians, and collaborators. The role involves independent management of complex laboratory operations and performance of highly specialized scientific procedures, including brain tissue harvesting, freezing, sectioning, and histological analyses.

30+ days ago
R&D Technician Food Science & Product Development

Velocity Search Group

Lawrence, Massachusetts

Keywords: R&D Technician, Research and Development Technician, Food Science Technician, Lab Technician, Laboratory Technician, Product Development Technician, Food Technologist, Quality Control Technician, Pilot Plant Technician, Manufacturing Technician, Process Technician, Food Safety, GMP, Good Manufacturing Practices, Food Manufacturing, Product Testing, Formulation, Scale-Up, Sensory Testing, Data Analysis, Food Chemistry, Food Processing, Entry-Level R&D, Laboratory Experience, Technical Documentation, Food Industry Jobs, Innovation, Product Development, Quality Assurance Support, SOP Compliance. This entry-level, hands-on role offers the opportunity to work in lab and pilot plant settings, contributing to the development and testing of new formulations, processes, and ingredients.

30+ days ago
Analytical Instrumentation Lab Technician

Jones Lang LaSalle Incorporated

Mansfield, MA

Analytical Instrumentation, Analytical Instrumentation, Analytical Laboratory, Analytical Laboratory Equipment, Analytical Skills, Analytical Thinking, Asset Management, Asset Management Systems, Biology, Chemistry, Communication, Computerized Maintenance Management Systems (CMMS), Data Entry, Data Integrity, Deadline Management, Health Care, Instrumentation, Key Performance Indicators (KPI), Laboratory Information Management System (LIMS), Laboratory Instrumentation, Laboratory Maintenance, Laboratory Safety, Laboratory Setup, Laboratory Software, Management Reporting {+ 10 more}. Perform ongoing quality check of the asset management workflow practices with consistent data entry including but not limited to the creation of work orders, logging of labor, parts and material purchasing and inventory management, etc.

30+ days ago
Urgent Care Medical/Lab Technician

Beth Israel Lahey Health

Watertown, MA

Also performs an array of moderate complex laboratory tests, performs daily quality controls on all lab devices, confirms accurate results, reports results to Attending Physician and also ensures results are accurately documented in the LIS system. Performs a wide array of patient care duties, including but not limited to, Vitals, EKG’s, wound care, splinting, phlebotomy, specimen collection, patient transport as needed based on patient presentation, crutch walking and assists providers in performing procedures.

30+ days ago
Dental Lab Technician

Aspen Dental

$35 - $40

Quincy, MA

At Aspen Dental, we put You First, offering the security and job stability that comes with working with a world-class dental service organization (DSO). The practices receive non-clinical business support services from Aspen Dental Management, Inc., a dental support organization.

30+ days ago
Dental Lab Technician - Sign On Bonus

Aspen Dental

$35 - $40

Quincy, MA

At Aspen Dental, we put You First, offering the security and job stability that comes with working with a world-class dental service organization (DSO). The practices receive non-clinical business support services from Aspen Dental Management, Inc., a dental support organization.

30+ days ago
Arrhythmia / Heart monitor Technician - Holter Lab

Beth Israel Lahey Health

Boston, MA

Utilizes multiple online (web-based) data platforms to locate tracings, print and provide initial detailed interpretation and summary of findings from the various monitor recordings; performs hourly analysis, if needed, for the predominant rhythm and sample strips for documentation of significant arrhythmias for possible correlation with patient activities, complaints or drug effects. + License Certified Cardiographic Tech (CCT) or Certified Rhythm Analysis Tech (CRAT), OR 1-3 years work experience in cardiac monitoring and analysis with competence in Holter/Cardiac Event Monitor/ Mobile Cardiac Telemetry monitors and arrhythmia interpretation sometimes with complex rhythm disturbances.

30+ days ago
Medical Lab Technician, 40hr - Nights

Beth Israel Lahey Health

Winchester, MA

This clinical professional position impacts patient care by performing accurate tests as prescribed by the physician in a timely manner so clinicians receive accurate result expediently enabling them to provide the best possible care. + Reviews and Inputs quality control and patient results into the electronic medical records system in a timely manner so clinicians and patients get their results as quickly a possible.

30+ days ago
Lab Animal Technician 1

Beth Israel Lahey Health

Boston, MA

2. Oral Communications: Ability to understand spoken English in order to follow basic safety instructions and take direction from supervisors; communicate effectively in basic English with patients, families and medical center staff in response to routine questions. Written Communications: Ability to read, and write in English in order to understand basic safety instructions and take direction from supervisors; communicate effectively with patients, families and other medical center staff; and respond to basic questions.

30+ days ago
Calibration Technician I

Transcat, Inc.

$26 - $34

Andover, Massachusetts

With over 1,000 employees—in technical, consulting, operational, sales, finance, and corporate roles—we have stood the test of time by delivering on our Trust in Every Measure promise to our customers in vital industries, including life sciences, aerospace, defense, energy, and utilities. The employee is occasionally exposed to wet and/or humid conditions; high, precarious places; fumes or airborne particles; toxic or caustic chemicals; outside weather conditions; and vibration.

30+ days ago
Urgent Care Technician

Beth Israel Lahey Health

Chelsea, MA

Also performs an array of moderate complex laboratory tests, performs daily quality controls on all lab devices, confirms accurate results, reports results to Attending Physician and also ensures results are accurately documented in the LIS system. Performs a wide array of patient care duties, including but not limited to, Vitals, EKG’s, wound care, splinting, phlebotomy, specimen collection, patient transport as needed based on patient presentation, crutch walking and assists providers in performing procedures.

30+ days ago
Lead Research and Animal Care Technician - Human Nutrition Research Center on Aging

Tufts University

Boston, Massachusetts

The unit offers a wide range of services including: comprehensive animal care, transgenic rodent breeding services, veterinary surveillance, diet preparation and individualized animal dietary services, animal monitoring, surgery and necropsy. Overview: The mission of the Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University (HNRCA) is to promote healthy aging through nutrition science to empower people seeking to enjoy long, active, and independent lives.

30+ days ago
Compound Management Technician (Contract)

Vertex Pharmaceuticals

$32 - $35

Boston, Massachusetts

Agreeing to the Atrium Terms and Conditions, includes permission to use the email address and mobile phone number you provide during the application process or throughout the duration of your prospective or actual employment to notify you of job openings, profiles, articles, news, and other employment-related information, as well as to notify you of special promotions or additional products and services offered by us or our affiliates and partners. The position involves managing compound requests, operating laboratory robotics, and ensuring seamless integration of local and global compound management strategies.

30+ days ago