Earth
Life may have begun 300 million years earlier than we thought
Flecks of carbon of potentially organic origin seen in zircon crystals, hinting that life started 4.1 billion years ago in Earth's fiery Hadean period
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Life
Plants spike nectar with caffeine and give bees a buzz
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Humans
First humans to leave Africa went to China, not Europe
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Humans
Stonehenge builders had barbecue feasts at nearby party centre
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Life
Some liked it hot: Dinosaurs evolved range of body temperatures
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Earth
Bacterial genes that turn mercury lethal mapped across world
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Humans
Genome of ancient Ethiopian tells of back-to-Africa migration
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Environment
Elephants almost never get cancer thanks to multiple gene copies
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Environment
Ape fossils put the origin of humanity at 10 million years ago
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Environment
Slow cyclists gain advantage from schooling like fish
A group of cyclists in a peloton behave like a collective organism, giving an accidental benefit to even the slowest riders 鈥� much like schooling fish
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Humans
Our knack for remembering faces is a highly evolved skill
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Humans
Ears of early humans could hear frequencies used in speech
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Earth
Bumblebees cope with climate change by evolving shorter tongues
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Earth
America’s oldest decapitated head reveals strange burial ritual
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