In the April 1 SN: Digital tech on the brain, cancer’s sweet spell, elephant sleep stats, ancient stardust spotted, a hydrothermal cradle of life, nutrition in a changing climate, nesting-doll parasitism, a neutrino trio and more.
When the tectonic plate carrying India
slammed into Asia about 50 million years ago,
the ensuing geological changes triggered a long-term cooling trend. That trend later
enabled Antarctic ice sheets to grow, a new study suggests.