Paolo Macchiarini stands at a podium with a microphone
Paolo Macchiarini Found Guilty for Botched Surgery
The former thoracic surgeon was acquitted on two counts of intentional assault but convicted on a single count of felony bodily injury for a series of fatal procedures in the early 2010s.
Paolo Macchiarini Found Guilty for Botched Surgery
Paolo Macchiarini Found Guilty for Botched Surgery

The former thoracic surgeon was acquitted on two counts of intentional assault but convicted on a single count of felony bodily injury for a series of fatal procedures in the early 2010s.

The former thoracic surgeon was acquitted on two counts of intentional assault but convicted on a single count of felony bodily injury for a series of fatal procedures in the early 2010s.

regenerative medicine
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.
Thomas Lozito poses with Donald, one of his mourning geckos.
Thomas Lozito Is Figuring Out How Lizards Rebuild
Connor Lynch | Feb 14, 2022
The University of Southern California bioengineer studies how lizards regrow their tails, with the goal of one day inducing regeneration in humans.
A Brief History of Stem Cells
Scientific Breakthroughs with Stem Cells
Nele Haelterman, PhD
Discover the various ways scientists bolster stem cells to understand and cure disease.
A frog partially submerged in water looking straight ahead
Drug Cocktail Triggers Regeneration of Amputated Frog Legs
Dan Robitzski | Jan 26, 2022
A new chemical treatment allowed African clawed frogs, which normally don’t regenerate limbs, to regrow functional hind legs following amputation.
a spiny mouse sits on a piece of wood holding a small morsel to its mouth
Spiny Mice Appear to Regenerate Damaged Kidneys
Dan Robitzski | Nov 3, 2021
The mice, already known to regenerate skin, seem to avoid the tissue scarring that leads to organ failure in other animals.
Understanding Stem Cells, One Cell at a Time
Understanding Stem Cells, One Cell at a Time
The Scientist Creative Services Team
An expert panel will discuss how access to single-cell resolution has shed new light on stem cell behavior and differentiation mechanisms.
Infographic: Anatomical Construction by Cell Collectives
Michael Levin | Sep 1, 2020
Understanding this complex and still largely enigmatic process will pave the way for researchers to control the development of new morphologies.
How Groups of Cells Cooperate to Build Organs and Organisms
Michael Levin | Sep 1, 2020
Understanding biology’s software—the rules that enable great plasticity in how cell collectives generate reliable anatomies—is key to advancing tissue engineering and regenerative medicine.
Harnessing Stem Cells to Treat Disease
Harnessing Stem Cells to Treat Disease
The Scientist Creative Services Team
In this webinar, Kim Vanuytsel and Ryan Flannigan will discuss cutting-edge technologies for improving stem cell-based therapies.
Image of the Day: Regenerating Worms
Amy Schleunes | Feb 3, 2020
Planarian flatworms grow to double their normal size when scientists inhibit a gene that suppresses growth.
Opinion: Interdisciplinary Approach Needed to Crack Morphogenesis
Joshua Finkelstein, Kelly McLaughlin, and Michael Levin | Dec 1, 2019
Physicists, geneticists, computer scientists, and biologists are working together to gain a full appreciation of the intricacies of organismal growth and form.
800x560-istock-1065223632
The Scientist Speaks - The Reality of Regenerative Medicine
The Scientist Creative Services Team
After decades of research the potential of regenerative medicine becomes a life-saving reality.
cardiac stem cell therapy immune system macrophage
Activation of the Immune System Underlies Cardiac Cell Therapies
Ruth Williams | Nov 27, 2019
A study in mice reveals that stem cell transplants, currently in clinical trials, may not actually require the cells.
the knees of a woman sitting on grass outside
Adult Humans Can Regenerate Cartilage: Study
Shawna Williams | Oct 10, 2019
Collagen inside ankles has more turnover than that in hips, thanks to the action of microRNAs.
Cell Culture Advances Fuel Disease Research
The Scientist Creative Services Team
New twists to an old technique reveal a better understanding of disease pathology and new therapeutic avenues.
Canadian Government Ending Networks of Centres of Excellence Program
Ashley P. Taylor | Dec 18, 2018
The funding future is uncertain for researchers studying topics including cancer, stem cells, and the Arctic.
Federal Trade Commission Takes Action Against Stem Cell Clinics
Ashley P. Taylor | Oct 19, 2018
The FTC, in its first crack down on the industry, gets two California companies selling unproven treatments to stop their false advertising and pay a fine.
The MSC: Regeneration Orchestrator
The Scientist Staff
Scientists uncover the promise of mesenchymal stem cells (MSCs), also known as medicinal signaling cells, to modulate the immune system and regenerate tissue.
Human Skeletal Stem Cell Found
Abby Olena | Sep 20, 2018
Researchers recovered the cells that give rise to bone and cartilage from fetal and adult bone marrow and also derived them from induced pluripotent stem cells.