explainers
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Why Astronaut Mark Kelly Is Now Even Older Than His Twin Brother
Astronaut Scott Kelly returned from a year-long sojourn in space in June. His slightly older astronaut twin, Mark Kelly, stayed home as a control — part of NASA’s twin study to monitor the effects of space on the human body. But there’s a physical change that NASA might not be able to measure that easily.…
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How Genetic Engineering Will Change Everything
Video: The future is going to be genetically modified. That means the future could be disease-free with babies being designed in labs by parents who live in a world where ageing has stopped all thanks to genetic engineering. Or the future might be something else entirely with state-mandated genetic engineering to turn citizens into super…
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What Happened Before History?
Video: Kurzgesagt goes deep into the history of the origin of humans in its latest animation explainer. And while it’s fun to see how far we’ve come, it’s almost more interesting to find out how little we know about the time before history.
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How Humans Can Sort Of See The Invisible
Video: What superpower would you want to have? The ability to fly? Teleport? Turn invisible? Time travel? Heal? What about to ability to see the invisible? Not exactly the flashiest power you can have especially because we can kind of, sort of, do that right now. This lovely animation explainer from Amaël Isnard shows how…