资讯

Live Science9 小时
'Such caves weren't used for ordinary living': Rare finger grooves from ancient peoples ...
Thousands of years ago, adults and children left their marks on soft rock surfaces deep in this cave in GunaiKurnai Country.
Live Science14 小时
James Webb telescope captures one of the deepest-ever views of the universe — Space photo ...
The James Webb telescope's 100-hour reexamination of one of Hubble's most iconic extragalactic images reveals extraordinary ...
Live Science15 小时
Can you dream during non-REM sleep?
People report vivid dreams during rapid-eye-movement sleep. But is this sleep stage really the only time we dream?