A crackdown on problems with fairness and safety is achieving results, including a big drop in the number of sick patients being passed over for transplants.
In the unforgiving polar wilderness, scientists go to great lengths to safeguard the devices that gather precious data.
A planned U.S.-funded study of a hepatitis B vaccine drew widespread condemnation from researchers. Now the host country says it cannot proceed.
Many of the cancellations had been known for months, but the announcement underscored the drastic change in the energy landscape under President Trump.
The prohibition halts support for projects both inside and outside the N.I.H. President Biden had restored funding after an earlier ban by President Trump during his first term.
The sensors used to listen for earthquakes could help protect people from the hazards created by falling spacecraft.
“It was hiding in plain sight all this time,” one researcher said.