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Articles on Evolution

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Bats have adapted new hunting techniques in their pursuit of moths who in turn have developed defensive strategies. Sarun T/Shutterstock

Explainer: the evolutionary arms race between bats and moths

Bats have developed special attack mechanisms for hunting moths, and moths have responded by developing defence mechanisms to avoid being eaten.
The discovery of the genes that influence the beak shape in the famous Galapagos finches highlight the underlying unity of all life. Paul Krawczuk/Flickr

Darwin’s finches highlight the unity of all life

Darwin’s finches are known to be a paragon of evolution by natural selection, but a recent genetic discovery relating to their beaks highlights the evolutionary connectedness of all life.
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.
Blooming marvellous: cacti are among the few plant species that can thrive in the desert. Alan Levine/Flickr

Why are cacti so juicy? The secret strategy of succulents

Photosynthesis can be costly - but plants in hot and dry environments have evolved two special strategies for storing carbon dioxide, that could be used to protect crops against climate change.
What is it that makes Venus a hottie? Is it her hip-to-waist ratio, or just her slenderness? "The Birth of Venus", Sandro Boticelli c1486.

Is there really a single ideal body shape for women?

Is there an ideal body shape that is universally attractive? A recent study shows that beauty is more complex, and diverse, than that.
Orange Harlequin bugs are unappealing to birds – and almost invisible to a preying mantis. Louise (Flickr) via Wikimedia Commons

To avoid mantids, stinkbugs evolved to hide in plain sight

Did you know that the sky isn’t actually blue? Perhaps in school you learned about how air scatters light, filtering out red light from the sun, but that is only half the story. While our eyes perceive…
Evolution isn’t necessarily progressive. Possan/Flickr

What blind beetles can teach us about evolution

Evolution is often perceived as being a “directional” or “adaptive” process. We often think of species evolving to become stronger or faster, or to have sharper teeth, for example. And we tend to see this…

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