On a remote island in North Macedonia, male Hermann’s tortoises outnumber females 19 to 1, an imbalance driving the population to extinction.

Q: My husband recently passed away after a long battle with health issues. My entire identity had become wrapped up in caring ...

The Queen gets to tell everyone what to do, and she chooses a few males to breed with, we believe,” says Kerns. “However, she can have one of the largest litters of any mammals, over 30 babies at a ...

In February 2026, a rumor spread widely that Frida Baby, a company that makes products for babies and postpartum care, used ...

Humans develop sharp vision during early fetal development thanks to an interplay between a vitamin A derivative and thyroid hormones in the retina, Johns Hopkins University scientists have found. The ...

Pharmaceuticals that people globally rely on for daily health — including antibiotics, antidepressants and painkillers — are entering ecosystems via wastewater, posing poorly understood risks. Once ...

Real-world optimization problems often require an external “modeling engine” that computes fitnesses or data that are then input to an objective function. These programs often have much longer ...

Q. When playing vinyl records on a turntable, to what extent is recommended tracking force an indicator of cartridge and stylus quality? In other words, is a stylus with a ...