Evolution

Science

Largest known bacteria in the world are visible to the naked eye

By Carissa Wong Thiomargarita magnifica is large enough to see without a microscope Tomas Tyml The world’s largest known bacteria…

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Science

Lizard unfurls its face like a flower as a way to scare off predators

The toad-headed agama can unfold colourful skin flaps at the corners of its mouth to produce a vibrant display, but…

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Science

Bacteria bred for 2000 generations settle long-term evolution mystery

A 2000-generation experiment with bacteria suggests existing variation makes a smaller contribution to evolution than we had thought Life 14…

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Technology

Reshuffled Rivers Bolster the Amazon’s Hyper-Biodiversity

From the window of a passenger plane flying over the Amazon, the view is breathtaking. “It’s just miles across of…

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Science

Ediacarans: Did competition kill off Earth’s mysterious first animals?

A mysterious extinction about 540 million years ago may have been caused when early animals began competing against one another…

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Science

Kenyan chameleons evolved brighter colours after moving to Hawaii

Chameleons introduced to Hawaii in 1972 have started flaunting brighter colours, probably because they have fewer predators to hide from…

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Science

Deadly 1918 flu pandemic may be source of modern milder seasonal virus

Viruses sequenced from century-old lung samples in German and Austrian museums have shed light on how flu can change over…

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Science

Harbour seals can learn how to change their voices to seem bigger

The vocal gymnastics of harbour seals, including the ability to significantly raise or lower their pitch, seem not to be…

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Science

Plesiosaurs evolved awkward long necks thanks to their big bodies

An ultra-long neck would seem to put aquatic plesiosaurs at a disadvantage, but it turns out their big bodies helped…

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Science

Watch male orb-weaving spiders catapult off females to escape death

For the first time, spiders have been observed escaping sexual cannibalism by flinging themselves away from females, reaching speeds of…

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