Advances

Very young children’s developing immune systems respond to the COVID-causing virus SARS-CoV-2 very differently than do those of adults

The Tsimane’ language divides the rainbow into blackish, reddish and whitish. But bilingual Spanish and Tsimane’ speakers are changing that

A missing mammal rediscovered in Indonesia, a speedy new species of dinosaur in Brazil, Ivory Coast chimpanzees that snoop on their neighbors, and much more in this month’s Quick Hits

Bacteria choose to swarm based on what happened to their great-grandparents

Tardigrades are microscopic animals that can survive a host of conditions that are too extreme to ever occur on Earth—and scientists want to learn their secrets

There are 856 mammal, bird, amphibian and reptile species currently missing—but researchers continue to search

A 3D-printed tube stymies microbes with a tiny obstacle course to combat rampant infections in hospitals

In the digital age, some scientists argue the emojisphere should better represent Earth’s biosphere—tardigrades, flatworms and all

These bloblike bots have been optimized for speed

A newly spotted world is just perplexingly dense

Thieving worms may manipulate their prey with stolen genes

Deciphering a scorched scroll from ancient Herculaneum, unlikely flavors in climate-change-affected wine, an undiscovered ore found in China, and more in this month’s Quick Hits