Wednesday , May 19 2021

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Death march of a segmented and trilobate bilaterian elucidates early animal evolution – Nature.com, Nature.com

Death march of a segmented and trilobate bilaterian elucidates early animal evolution – Nature.com, Nature.com

AbstractThe origin of motility in bilaterian animals represents an evolutionary innovation that transformed the Earth system. This innovation probably occurred in the late Ediacaran period—as evidenced by an abundance of trace fossils (ichnofossils) dating to this time, which include trails, trackways and burrows1,2,3. However, with few exceptions4,5,6,7,8, the producers of most of the late Ediacaran…

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Hong Kong protests: Carrie Lam withdraws extradition bill – Vox.com, Vox.com

Hong Kong protests: Carrie Lam withdraws extradition bill – Vox.com, Vox.com

Hong Kong’s Chief Executive Carrie Lam said Wednesday the government would formally withdraw the controversial extradition bill that sparked months of protests. Withdrawing the bill sits atop the list of protesters’ demands. But most greeted the news with the sentiment: “too little, too late.” The demonstrations that have taken over Hong Kong on a weekly…

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