Lower half of a skeleton with an apparently amputated left leg
31,000-Year-Old Skeleton Reveals Oldest Known Surgery
A Stone Age individual’s left leg healed after being amputated just above the foot, allowing them to survive for six to nine years after the procedure was performed, researchers say.
31,000-Year-Old Skeleton Reveals Oldest Known Surgery
31,000-Year-Old Skeleton Reveals Oldest Known Surgery

A Stone Age individual’s left leg healed after being amputated just above the foot, allowing them to survive for six to nine years after the procedure was performed, researchers say.

A Stone Age individual’s left leg healed after being amputated just above the foot, allowing them to survive for six to nine years after the procedure was performed, researchers say.

surgery
3D printed ear chalk white icon on dark background
Patient Implanted with Live, 3D-Printed Tissue in Medical First
Shawna Williams | Jun 2, 2022
An ear made from the person’s own cells was surgically attached in March, the company behind the technology says.
Two men wearing coats and hats who are standing side-by-side on a sidewalk walk towards the camera with the assistance of walkers.
Within Hours, Surgical Implant Lets Paralyzed Patients Walk
Dan Robitzski | Feb 8, 2022
Multiple clinical trial participants who have severe spinal injuries were able to stand, walk, and perform specific activities after just one day of using an implant surgically embedded in their spines.
Human kidney in hands stock photo
Surgeons Successfully Transplant a Pig Kidney into a Person
Chloe Tenn | Oct 20, 2021
The achievement bolsters hopes that nonhuman animals could be used to remedy the shortage of transplantable organs.
Pink-toned illustration of the uterus with a zoom of the inflamed cervix and of the uterine endometrium and immune cells found there
Infographic: Research Questions to Be Tackled by Uterus Transplants
Jef Akst | Aug 1, 2021
Scientists are banking various samples from recipients of donated uteruses to learn all they can about the biology of the organ, and about transplantation more generally.
An illustration of flowers in the shape of the female reproductive tract
Uterus Transplants Hit the Clinic
Jef Akst | Aug 1, 2021
With human research trials resulting in dozens of successful deliveries in the US and abroad, doctors move toward offering the surgery clinically, while working to learn all they can about uterine and transplant biology from the still-rare procedure.
Anesthesia Impairs Memory in Mice
Abby Olena | Apr 1, 2021
A study that compared several anesthetic regimens in rodents showed that only one—inhaled isoflurane—wasn’t detrimental to the activity of neurons in the hippocampus.
salivary gland new human anatomy head and neck cancer radiation therapy
Scientists Discover New Human Salivary Glands
Diana Kwon | Oct 21, 2020
The findings may have implications for radiotherapy, a cancer treatment that can cause damage to salivary glands and leave lasting complications.
Luis Alvarez Aims to Heal Wounds with Tissue-Regenerating “Paint”
Shawna Williams | Jul 13, 2020
The bioactive coating tethers restorative proteins to implanted tissues and fosters new growth, animal studies suggest.
Is the Mesentery an Organ?
The Scientist Staff | Feb 19, 2020
Watch surgeon Calvin Coffey deliver a TEDx talk on his recent discovery that the large abdominal tissue is a single, coordinated structure.
Doctors Test if Rapid Chilling Can Save Trauma Patients’ Lives
Ashley Yeager | Nov 21, 2019
A clinical trial is underway to see if suspended animation, in which the body is cooled to 10–15 °Celsius, could slow patients’ decline and give doctors time to operate.
hemispherectomy epilepsy fmri brain neural connections
Missing Brain Hemisphere Tied to Fortified Neural Networks
Kerry Grens | Nov 20, 2019
A small study finds that patients who had half their brains removed to treat epilepsy have stronger neural networks than controls, perhaps explaining how they can retain language and cognition skills.
Defining Rare Disorders: A Profile of Judith Hall
Anna Azvolinsky | Sep 1, 2019
By bringing genetics into clinical medicine, the University of British Columbia medical geneticist helped to identify the gene mutations responsible for many rare diseases.
3d printed organ artificial liver lobe surgery
How 3-D Printing Could Help Shape Surgery
Sarah Webb, Knowable Magazine | Jul 2, 2019
Technology is enabling increasingly lifelike models of organs to help doctors practice operations.
Cancer Leader LaSalle Leffall, Jr. Dies
Ashley Yeager | May 30, 2019
The Howard University surgeon was the first African American president of the American Cancer Society and mentored thousands of medical students.
Self-Navigating Catheter Designed for Heart Surgery Tested in Pigs
Ruth Williams | Apr 24, 2019
The robotic catheter can guide its own movements within the heart of a live mammal to the site of a leaky valve replacement.
Anesthesia drugs feature the scientist 2019
General Anesthesia Causes Telltale Brain Activity Patterns
Emery N. Brown and Francisco J. Flores | Mar 1, 2019
The drugs lead to widespread, predictable changes in brain waves that can help anesthesiologists personalize anesthesia and develop anesthetic-based treatments.
anesthesia infographic the scientist
Infographic: How General Anesthesia Works
Emery N. Brown and Francisco J. Flores | Mar 1, 2019
Drugs that doctors use to sedate patients during traumatic medical procedures act on neural receptors to alter brain activity.
Image of the Day: Conjoined and Separated
Carolyn Wilke | Jan 28, 2019
Now two years old, the Delaney twins were born joined at the head and were successfully separated in June 2017.
Pig Hearts Provide Long-Term Cardiac Function in Baboons
Ruth Williams | Dec 5, 2018
Primates receiving heart transplants from genetically engineered pigs have survived more than six months, a new study reveals.