Life
Looking for LUCA, everyone’s shared ancestor
You and all other living things descended from a single organism — our great-grand-germ. Scientists are studying modern genes to learn more about this very distant ancestor.
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Space
Scientists Say: Observable universe
No light will ever reach Earth from beyond this distant horizon of space.
Analyze This!
Animals
Analyze This: How many insects are in the air?
Weather data have helped estimate the density of flying insects in U.S. skies. That could help track climate change’s impact on insects.
Technically Fiction
Space
Do multiple universes exist?
Some branches of physics hint that our universe is just one of many in a vast “multiverse.”
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This tool-using cow stunned scientists with her smarts
Veronika the cow scratches hard-to-reach body parts using a brush. This feat is forcing scientists to rethink which animals can use tools.
