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375 million years ago fishes like Tiktaalik (pictured, above) looked out above water for prey. John Long, Flinders University

The eyes have it: how vision may have driven fishes onto land

The first truly terrestrial animals evolved from ancient fishes that left the water for land. But what prompted to move has been a mystery.
The retina captures light signals and sends them to the brain. from www.shutterstock.com

Look, your eyes are wired backwards: here’s why

The reverse-wiring of the eyeball has long been a mystery, but new research shows a remarkable structural purpose: increasing and sharpening our colour vision.

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