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Ancient unicellular organism indicates embryonic development might have existed prior to animals' evolution
Chromosphaera perkinsii is a single-celled species discovered in 2017 in marine sediments around Hawaii. The first signs of its presence on Earth have been dated at over a billion years, well before ...
The FDA has released draft guidance that aims to clear up how drug developers can use alternative testing – but that doesn’t ...
Morning Overview on MSN
FDA urges alternatives to animal testing in early-stage drug development
The U.S. Food and Drug Administration is actively steering drug developers away from traditional animal studies and toward ...
A cell of the ichthyosporean C. perkinsii showing distinct signs of polarity, with clear cortical localization of the nucleus before the first cleavage. Microtubules are shown in magenta, DNA in blue, ...
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