Environment
Why ancient deer returned to the sea and became whales
Over the last 250 million years land animals have repeatedly begun exploiting the seas, giving rise to creatures like whales and walruses. The question is why
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Electrodes fitted behind your ear can make you walk faster
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Humans
Our ancestors mated with the mystery ‘Denisovan’ people 鈥� twice
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Earth
These searing hot chilli peppers are in danger thanks to snakes
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New shades: The controversial quest to ‘fix’ colour blindness
Features
Environment
Two herbivores gang up and silence a plant’s cries for help
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Environment
Dinobird Archaeopteryx only flew in short bursts like a pheasant
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What are Novichok nerve agents and did Russia do it?
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Environment
Daft male spiders prefer females who are more likely to eat them
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Brain zap can make people re-experience old dreams while awake
While d茅j脿-vu is a false feeling of familiarity, d茅j脿-r锚v茅 is a rare experience of suddenly recalling a dream 鈥� and it can be sparked by zapping the brain
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Earth
Leopards that live in cities are protecting people from rabies
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Earth
A deadly predator could save the UK鈥檚 threatened red squirrels
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Earth
Drones reveal huge colonies of 1.5 million penguins on islands
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Environment
Fish called 鈥榮arcastic fringehead鈥� has a wider mouth than body
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