Age and gender bias in online images feeds into AI tools, revealing stereotypes shaping digital systems and hiring algorithms, researchers report.

Ultraprocessed foods can create powerful pulls similar to those of alcohol, nicotine or opioids, with worrisome consequences for our health.

Antarctic krill don’t just sequester carbon in their poop; they also make carbon-rich pellets out of leftovers. But microplastics may throw a wrench in the works.