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.

organ transplants
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.
Organoids Repair Bile Ducts
Abby Olena | Feb 18, 2021
Researchers determined that when introduced into damaged mouse or donated human livers, these lab-grown tissues could integrate into bile ducts and function normally.
human-animal chimeric embryo, chimera, animal studies, pigs, organ transplant, induced pluripotent stem cells, survey, attitudes, public support
Majority of Respondents Support Chimeric Animal Research: Survey
Amanda Heidt | Oct 1, 2020
Almost 60 percent of people in a new study on attitudes in the US felt comfortable using animals to grow human organs from induced pluripotent stem cells.
The Father of Autoimmunity: A Profile of Noel Rose
Diana Kwon | Jun 1, 2020
By revealing that animals could develop immune responses against their own tissues, the physician-scientist established an entirely new field of science.
an illustration showing organs
Infographic: Which 3-D Printed Tissues are Closest to the Clinic?
Emma Yasinski | Feb 26, 2020
Skin is much easier to create using 3-D printing than intestines.
Swedish Ethics Review Board: Macchiarini Is Guilty
Jef Akst | Oct 30, 2017
The group calls for the retraction of six publications by surgeon Paolo Macchiarini regarding the synthetic trachea transplantations that led to the death of at least three patients. 
Image of the Day: Brand New Bowel
The Scientist Staff and The Scientist Staff | Oct 13, 2017
Using human stems cells and segments of rat intestines, scientists engineer bowels that are capable of absorbing nutrients.