Opinion: Develop Organoids, Not Chimeras, for Transplantation
Opinion: Develop Organoids, Not Chimeras, for Transplantation
Scientists are devising human-animal hybrids for harvesting human organs, but lab-derived mini-organs are a less ethically fraught solution to meeting the need for transplantation.
Opinion: Develop Organoids, Not Chimeras, for Transplantation
Opinion: Develop Organoids, Not Chimeras, for Transplantation

Scientists are devising human-animal hybrids for harvesting human organs, but lab-derived mini-organs are a less ethically fraught solution to meeting the need for transplantation.

Scientists are devising human-animal hybrids for harvesting human organs, but lab-derived mini-organs are a less ethically fraught solution to meeting the need for transplantation.

artificial organs
How 3-D Printing Could Help Shape Surgery
How 3-D Printing Could Help Shape Surgery
Sarah Webb | Jul 2, 2019
Technology is enabling increasingly lifelike models of organs to help doctors practice operations.
To Give Cancer Survivors a Chance to Conceive, Scientists are Designing Artificial Ovaries
To Give Cancer Survivors a Chance to Conceive, Scientists are Designing Artificial Ovaries
Ashley Yeager | Dec 31, 2017
The goal is to house patients’ follicles in a specially designed tissue matrix and reinsert them after treatment.
Image of the Day: Goo for Growing Organoids
Image of the Day: Goo for Growing Organoids
The Scientist Staff, The Scientist Staff | Oct 24, 2017
Scientists engineered a synthetic, nutrient-rich gel that feeds growing organoids as they mature from human pluripotent stem cells into 3-D bowels.
Artificial Tissues Implanted Without Regulatory Approval, Investigation Reports
Artificial Tissues Implanted Without Regulatory Approval, Investigation Reports
Ashley P. Taylor | Oct 3, 2017
Tissue recipients were treated as “guinea pigs,” says investigation leader.
Mice Successfully Reproduce with 3-D Printed Ovaries
Mice Successfully Reproduce with 3-D Printed Ovaries
Bob Grant | May 16, 2017
Researchers have constructed prosthetic female reproductive organs and implanted them in mice, some of which conceived and gave birth to live young.
Macchiarini Retracts Another Paper
Macchiarini Retracts Another Paper
Bob Grant | Mar 22, 2017
The embattled thoracic surgeon blames his former employer, the Karolinska Institute, for losing data related to the retracted research.
Top 10 Innovations 2016
Top 10 Innovations 2016
The Scientist Staff | Dec 1, 2016
This year’s list of winners celebrates both large leaps and small (but important) steps in life science technology.
Artificial Ion Pump Mimics Neuronal Speed, Precision
Artificial Ion Pump Mimics Neuronal Speed, Precision
Ben Andrew Henry | Nov 2, 2016
Researchers create an artificial nerve that could be the forerunner of neural prosthetics.
Swedish Research Council: Macchiarini, Karolinska Skipped Ethical Review
Swedish Research Council: Macchiarini, Karolinska Skipped Ethical Review
Bob Grant | May 2, 2016
The federal agency publishes a brief note alleging another ethical breach by former Karolinska Institute researcher Paolo Macchiarini.
Three More Coauthors Removed from Macchiarini Paper
Three More Coauthors Removed from Macchiarini Paper
Kerry Grens | Apr 1, 2016
Colleagues of the surgeon under investigation distance themselves from a 2011 The Lancet study.
Karolinska Lets Macchiarini Go
Karolinska Lets Macchiarini Go
Bob Grant | Mar 24, 2016
The embattled artificial organ researcher has been dismissed over the fallout from several misconduct allegations leveled against him.
Macchiarini Coauthor Removed From Paper
Macchiarini Coauthor Removed From Paper
Kerry Grens | Mar 7, 2016
A whistleblower asked to have his named pulled from a study led by the embattled surgeon.
Karolinska Institute Head Steps Down
Karolinska Institute Head Steps Down
Tracy Vence | Feb 16, 2016
Vice-Chancellor Anders Hamsten is resigning from his post amidst another investigation into the work of surgeon Paolo Macchiarini.
Organ Engineer Reinvestigated
Organ Engineer Reinvestigated
Bob Grant | Feb 5, 2016
Paolo Macchiarini will again be investigated by the Karolinska Institute, which is not extending the researcher’s employment contract.
If It Ain't Broke . . .
If It Ain't Broke . . .
Kerry Grens | Jan 1, 2016
Is there room to improve upon the tried-and-true, decades-old technology of artificial hearts?
Hearts in Hand
Hearts in Hand
The Scientist Staff | Dec 31, 2015
Texas Heart Institute heart surgeon Bud Frazier is a pioneer of heart transplant technologies.
Artificial Skin Communicates with Neurons
Artificial Skin Communicates with Neurons
Jef Akst | Oct 19, 2015
A new flexible sensor can detect touch and generate electrical pulses that signal intensity of pressure to mouse neurons in vitro.
Organ Engineer Cleared of Misconduct
Organ Engineer Cleared of Misconduct
Bob Grant | Aug 31, 2015
The Karolinska Institute has rejected the conclusions of an earlier, independent investigation, finding regenerative medicine researcher Paolo Macchiarini not guilty of scientific misconduct.
Organ-on-a-Chip Gets Big Pharma Boost
Organ-on-a-Chip Gets Big Pharma Boost
Bob Grant | Jun 18, 2015
Johnson & Johnson agrees to use Emulate’s blood-clot device in three of its preclinical drug programs.