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animals

Life

Sea cucumbers surprise scientists with spectacular light show

Ten sea cucumber species have been found to emit light for the first time, and researchers predict 200 more deep-sea species in this group could be bioluminescent

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CAPTION Panels A and B show the side-on and underneath view of a hummingbird passing through an aperture sideways. C and D show the same views of the hummingbird passing thorough an aperture like a bullet with its wings swept back. CREDIT Marc Badger https://journals.biologists.com/jeb/article-lookup/doi/10.1242/jeb.245643

Life

Hummingbirds have two amazing ways to fly through tiny gaps

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Life

Rats squeak with happiness when they are with another rat

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Mind

Rats can use imagination to mentally recreate places they've visited

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Life

Chimpanzees use high ground to scope out rival groups

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Planet Earth III: David Attenborough's 'hold your breath' moments

Video

Planet Earth III: David Attenborough's 'hold your breath' moments

Video

Adult patiria starfish

Life

Starfish don't have a body - they're just a big squished head

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Life

Some insects disguise themselves as spiders to avoid getting eaten

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Life

Most mammals go through the menopause - if they live long enough

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A male lion and a cub

Life

Do animals know that sex leads to babies?

The time delay between sex and offspring makes identifying the cause and effect a little complicated. Humans have language to explain how reproduction works, but for other animals it may be far less clear

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Environment

Warm seas blamed for the disappearance of 10 billion snow crabs

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Life

Emergence of huge cicada generation in 2021 led to a caterpillar boom

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Life

Edible and delicious Chinese mitten crabs are invading the UK

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Life

Dung beetles' feeding habits can be used to track endangered lemurs

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