Advances

These dogs can extend words to new objects based on function the way children do in early language learning

Which of these knots are secretly “unknots”? Try our math puzzle to find out

Octopuses’ response to a human illusion suggests a sense of body ownership

A study in mice and on human blood uses a new protein to snag carbon monoxide before it latches onto blood cells

A new review study examines the “gut virome”: the microbiome’s mysterious viral population

Mathematicians have unraveled a key conjecture about knot theory

Our social voyeurism may have deep evolutionary roots

AI can transfer strange qualities through seemingly unrelated training—from a love of owls to something more dangerous

This new “connectome” could bring researchers one step closer to understanding how nerves connect to organs throughout the body

Users’ Internet search questions can strengthen echo chambers, even on factual topics, but there are simple ways to lessen the effect

Researchers spied a wild array of life, including dozens of suspected new species, in an underwater gorge

With no fuel or engines, tiny explorers will surf sun-warmed air alone to explore high in the skies of Earth and Mars