Earth
Metabolism may be older than life itself and start spontaneously
The discovery that the Krebs cycle, which is essential for life, can occur in the absence of enzymes suggests that life鈥檚 origins were surprisingly humble
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Environment
Maize engineered to silence deadly toxins in poisonous mould
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Environment
Never-before-seen gatherings of hundreds of humpback whales
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Environment
Dogs use deception to get what they want from humans (a sausage)
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Environment
Sneaky beetles evolved disguise to look like ants, then eat them
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Environment
Ebola vaccine promising in chimps but may never be used
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Environment
Translucent helmeted cockroach looks like an alien with a halo
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Environment
Sociable woodpeckers that cooperate have evolved smaller brains
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Humans
Subway chicken row shows faith in food is still a battleground
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Earth
Raindrops make soil bacteria take off and fly through air
When raindrops hit the ground, they throw microbes into the air in aerosols 鈥� with possible implications for the climate, agriculture and diseases
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Environment
First-ever underwater video of the elusive True’s beaked whale
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Environment
WW2 bomb craters are a home to rare and vulnerable animals
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Health
Artificial embryo grown in a dish from two types of stem cells
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Life
Elephants sleep for just 2 hours a day 鈥� the least of any mammal
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