Scientists have uncovered a surprising role for calcium in shaping the building blocks of life. Their study reveals that calcium ions help determine the molecular 'handedness' (chirality) of tartaric ...

(Nanowerk News) Plastics or DNA: Many molecules are so long that they can form knots, much like tying shoes. Whereas it is still disputed whether right- and left-handed people prefer to tie their ...

The original version of this story appeared in Quanta Magazine. When Todd Sacktor was about to turn 3, his 4-year-old sister died of leukemia. “An empty bedroom next to mine. A swing set with two ...

Naloxone, also known by the brand name Narcan, is one of the most important drugs in the United States' fight against the opioid crisis. It reverses an opioid overdose nearly instantly, restarting ...

A team of researchers recently published a pioneering study that answers a central question in biology: how do organisms rally a wide range of cellular processes when they encounter a change -- either ...

Scientists have pinpointed a small molecule that appears to reverse key signs of immune aging in laboratory models, raising the prospect of drugs that could keep our defenses against infection ...

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