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human evolution

Male Satin Bowerbird (Ptilonorhynchus violaceus)

Life

Why birds' eyes can be blue, green, pink or orange

Among birds, eyes come in all sorts of colours – and it seems that this helps them compete for mating opportunities and intimidate rivals

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Humans

Early humans lived in Ethiopian highlands 2 million years ago

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Sea life in the Ordovician period

Life

Ocean life surged 500 million years ago due to cooler sea temperatures

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The desire for legacy is a mental glitch but we can use it for good

Humans

The desire for legacy is a mental glitch but we can use it for good

Features

Carolina Sphinx Moth (Manduca sexta)

Technology

Wing-flapping robot helps explain the evolution of insect flight

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Illustration of a Trilobite Gut Fossil.

Life

Ancient trilobite stuffed itself with food almost to bursting point

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Earth

Nearly all mammals will go extinct in 250 million years as Earth warms

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chiton (Iscnhoplax pectinata)

Life

Armour-plated mollusc fluoresces brilliant red-pink

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A chimaera fish

Life

Fish adapted to the deep sea 80 million years earlier than we thought

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Health

We now know how many cells there are in the human body

New estimates for the number of cells in adults and children draw on over 1500 scientific papers detailing the different cell and tissue types in our bodies

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Humans

Why the ancient hominins of Asia are so mysterious

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Humans

Mysterious ancient stones were deliberately made into spheres

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Life

Our ultra-mobile arm joints may have evolved for climbing down trees

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Life

Spotted salamander eggs hatch more easily if nibbled by predators

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