An Amazonian snake has two types of venom that kill different prey
The Amazon puffing snake has evolved to deliver two kinds of venom with one bite 鈥� one kills lizards and birds but doesn鈥檛 harm mammals, and the other does the opposite
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Life
Many chimps are active at night but we don鈥檛 know what they do
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Life
Is life on Earth really at risk? The truth about the extinction crisis
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Life
Climate change is forcing geese to give up pit stops when they migrate
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Life
This crocodile emerging from the gloom sure seems happy to see you
Regulars
Life
Honeybees gang up to roast invading hornets alive 鈥� at a terrible cost
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Life
We now know why horses snort – because they’re happy
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Environment
Prolific 鈥楳25 serial killer鈥� beheading cats is an old feline foe
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Environment
The koala genome has been fully sequenced for the first time
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Life
Freak accident created a massive army of super-fertile clones
A new species of bigger and super-fertile all-female crayfish originated almost instantaneously because of a genetic accident
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Life
Crows make the right tool by remembering the last one they saw
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Life
Female velvet ants are so scary no other animal dares eat them
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Environment
Why is the UK running out of CO2 and what will it mean?
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Environment
Mystery gibbon found buried in tomb of ancient Chinese royalty
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