Trump signed an executive order banning federal funds for ‘gain of function’ research abroad The research alters viruses to increase transmissibility or severity in the name of preparedness Scientists ...

Almost all life on Earth builds its proteins from the same set of 20 building blocks, called amino acids. Some organisms have an extra one or two, but none have fewer. Now, researchers have used ...

Why do we dream? A product of our brain's neurophysiology, dreaming is a complex experience that can take on many emotional tones and simulate reality to varying degrees. As a result, there is still ...

On May 5, 2025, President Donald Trump signed an executive order with the seemingly benign title, “Improving the Safety and Security of Biological Research.” A more accurate title would have been, ...

When adults became angry after remembering past experiences, the function of cells lining the blood vessels was negatively impaired, which may restrict blood flow, according to a new study. Previous ...

(Design Cells/iStock/Getty Images Plus) The slow march of time is inexorable and irreversible, but that doesn't mean its ...

We thank Amit Kalra and colleagues for engaging with the SCIENCE study1 and welcome the opportunity to respond. We agree that an elbow-specific patient-reported outcome measure for children with ...