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Where Does the #Hashtag Symbol Come From?
Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/DonateORIG Subscribe to Origin of Everything! http://bit.ly/originsub What’s the #origin of the hashtag symbol? It’s gone by many names, (the pound sign, the number sign, the octothorpe and the hashtag symbol) and it’s had many ...
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Human Reproduction
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This chart shows human brains size over time. They got way bigger, fast. But now they’re shrinking? (No, it’s not the phones!) About 2 million years ago something changed and it altered the course of human evolution. Our brains just started RAPIDLY growing, the organ nearly doubled in size in just a few hundred thousand years. This turning point is what allowed us to evolve into the intelligent species we are today. But now… To learn more, follow along! #evolution #human origins #science
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This chart shows human brains size over time. They got way bigger, fast. But now they’re shrinking? (No, it’s not the phones!) About 2 million years ago something changed and it altered the course of human evolution. Our brains just started RAPIDLY growing, the organ nearly doubled in size in just a few hundred thousand years. This turning point is what allowed us to evolve into the intelligent species we are today. But now… To learn more, follow along! #evolution #human origins #science
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Учёные создали эмбрион из клетки кожи и сперматозоида. Они взяли ядро с ДНК из клетки кожи, поместили его в яйцеклетку без собственного ядра и оплодотворили. Это значит что теоретически двое мужчин могут зачать генетически родного ребёнка. Технология ещё не готова к широкому применению, но в будущем может изменить лечение бесплодия для всех. #наука #медицина #генетика #технологии #будущее
0:47
Учёные создали эмбрион из клетки кожи и сперматозоида. Они взяли ядро с ДНК из клетки кожи, поместили его в яйцеклетку без собственного ядра и оплодотворили. Это значит что теоретически двое мужчин могут зачать генетически родного ребёнка. Технология ещё не готова к широкому применению, но в будущем может изменить лечение бесплодия для всех. #наука #медицина #генетика #технологии #будущее
TikTokaleko.so
439.1K views2 weeks ago
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