We may finally understand why tropical plants have huge leaves

KonradWothe/LOOK-foto/GettyWHATisthepointoftheenormousleavesfoundontropicalplants?Itmaybetodowithmaintainingacomfortabletemperature.Large-leavedplantslikebananastendtoliveinthetropics

Harmless antifreeze

AnedibleantifreezehasbeendevelopedbytheNASAAmesResearchCenterinCalifornia.Thegreenfluid

护理工作又忙又累？日本推进研发护理机器人减负 2018-04-03 17:01:52

据日媒报道

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