“잠잘때 스마트폰 놓아두면 건강분석”...미국 사로잡은 K수면테크 기업 - 매일경제



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The earliest galaxies formed amazingly fast after the Big Bang. Do they break the universe or change its age? - Phys.org
Niobium-tin magnet could be key to unlocking potential of heavy-ion accelerator - Phys.org

Did we kill the Neanderthals? New research may finally answer an age-old question. - Livescience.com
Did Neanderthals wear clothes? - Livescience.com