Articles on Evolution

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Artistic view of the evolution of elephants. From left to right, Moeritherium (30 million years old), Deinotherium (5 million years old) and a modern African elephant. Alex Bernardini (Simplex Paléo) and Sophie Vrard (Creaphi).

How did elephants evolve such a large brain? Climate change is part of the answer

A shift in climate, along with other environmental disruptions and the invasion of competitors and new predators all likely played an important role in reshaping ancient elephants' brains.
Jumping spiders, like this one, usually have eight eyes: two very large front eyes to get a clear, colour image and judge distance, and extra side eyes to detect when something is moving. Flickr/Thomas Shahan

Curious Kids: why do spiders need so many eyes but we only need two?

Human eyes are very complex and are good at doing many jobs at once, while spiders have different sorts of eyes that do different jobs.
Researchers have discovered a lineage of yeast species that ignores the laws of cell growth. Alexander Kirch/Shutterstock.com

An outlaw yeast thrives with genetic chaos – and could provide clues for understanding cancer growth

Yeast isn't just important for the foods we consume. A rogue lineage of yeast species that evolves faster than any other is revealing secrets that may help illuminate the molecular causes of cancer.
Delivering a human baby – which has a large, highly developed brain – is risky for mother and baby. jaredandmelanie/flickr

This is what happens to a baby’s body during birth

Babies undertake a massive transition during labour and delivery as they move from the supported environment of the uterus to independent existence.
Here’s a close-up picture of a head louse. The eggs of the female head louse are what we call ‘nits’.

Curious Kids: what’s the point of nits?!

We like to think that all creatures play a role in the local ecosystem. We're especially interested in insects that provide a benefit for people too. But that's not always how it is.

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