Sea urchin spines show exceptional mechanoelectrical sensing from gradient structures and can be replicated in 3D-printed mimics for underwater sensing.
Peter Hein van Mulligen, from the Dutch Statistics Office (CBS), points to an "institutionalised conservatism" deep rooted in Dutch society, which acts as a barrier to women's participation.
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要像躲瘟疫一样躲避「正确的事」。
Жители Санкт-Петербурга устроили «крысогон»17:52