By looking in detail at brain activity during sleep, scientists can figure out exactly what animals are dreaming of. Neuronal ...

It may seem obvious to anyone who has a pet cat or dog that they are dreaming when they sleep. Cats and dogs have sleep cycles much like ours, with alternating periods of slow-wave sleep and ...

This article originally appeared in Knowable Magazine. Young jumping spiders dangle by a thread through the night, in a box, in a lab. Every so often, their legs curl and their spinnerets twitch — and ...

Young jumping spiders dangle by a thread through the night, in a box, in a lab. Every so often, their legs curl and their spinnerets twitch—and the retinas of their eyes, visible through their ...

Young jumping spiders dangle by a thread through the night, in a box, in a lab. Every so often, their legs curl and their spinnerets twitch—and the retinas of their eyes, visible through their ...

ONE autumn day in 2020, Daniela Rößler drove home with a car full of jumping spiders. Her lab was closed due to covid-19 regulations, so, after a day in a dry field spent corralling her specimens, ...

Researchers are finding signs of multiple phases of sleep all over the animal kingdom, including some that look very much like REM Carolyn Wilke, Knowable Magazine Young jumping spiders dangle by a ...