Earth broke its shortest day record on July 29, 2022 by completing its full rotation in a time that was 1.59 milliseconds shorter than the regular 24 hours time on July 29th.
Scientists at the Weizmann Institute in Israel found that stem cells from mice could be made to self-assemble into early embryo-like structures with an intestinal tract, the beginnings of a brain, and a beating heart.
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