- 問題詳情:Youcantellalotaboutpeoplebylookingattheirhair–notjustwhethertheybrush,sprayorblow-dry.Scientistshavefoundawaytousehairtofigureoutwhereapersonisfromandwherethatpersonhasbeen.Thefindingcouldhelpsolvecrimes,amongotherusefulapplications.Waterisc...
- 12595