New rules, which require international scientists to have a Chinese collaborator, go into effect July 1.

A brazier and charred stones, thought to be part of burial ceremonies, preserve signs that people used the drug thousands of years ago.

Changing policy has left academics uncertain about what is legal for foreign involvement in research, and increased hostility and bureaucracy have led students and scholars to seek opportunities elsewhere.

This marks the second known instance in which an institution has acted on NIH’s concern about foreign influence over US-based researchers.

A mandible dating to 160,000 years ago is the first evidence of Denisovan hominins outside the Russian cave where they were first discovered in 2010.

Scientists argue that anti-Chinese political rhetoric and policies could harm US research.

Documents about the experiment challenge a Chinese government investigation’s finding that He Jiankui mostly acted alone.

Multiple researchers were aware of He Jiankui’s clinical trial before the news became public in November.

In an email, biostatistics professor Megan Neely warned students of “unintended consequences” from speaking their native language on campus. She has since left a leadership post.