Enzymes called proteases act like molecular scissors for proteins in the body and play a role in therapies to stop viruses from replicating and to kill cancer cells. The development of these medicines ...

In patients developing end-stage liver disease, the damage has become too severe for the liver's normally extraordinary ...

A new study co-led by an Oregon Health & Science University researcher describes a breakthrough in microscopy tools that ...

Technology isn’t the biggest challenge. Culture is. by Tim Fountaine, Brian McCarthy and Tamim Saleh Artificial intelligence is reshaping business—though not at the blistering pace many assume. True, ...

Judy Woodruff is a senior correspondent and the former anchor and managing editor of the PBS News Hour. She has covered politics and other news for five decades at NBC, CNN and PBS. At PBS from 1983 ...