Daily glass of milk can reduce bowel cancer risk, study reveals 研究显示每天喝一杯 ...
Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...
NASA satellites catch Earth's magnetic field making music
Scientists measured a chorus wave emerging from an unexpected place, and confirmed a key piece of a theory about how these ...
wtaj13 天
NASA’s 2 stuck astronauts take their first spacewalk together
CAPE CANAVERAL, Fla. (AP) — NASA’s two stuck astronauts took their first spacewalk together Thursday, exiting the International Space Station almost eight months after moving in. Commander Suni ...
WTEN13 天
NASA’s 2 stuck astronauts take their first spacewalk together
CAPE CANAVERAL, Fla. (AP) — NASA’s two stuck astronauts took their first spacewalk together Thursday, exiting the International Space Station almost eight months after moving in.