Articles on Evolutionary biology

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There’s nothing that everyone wants in a partner. But there are characteristics most men or women find attractive. Leo Hidalgo/Flickr

How do we choose a partner?

We know a lot about why people choose different brands of dishwashing detergent. But when it comes to the processes behind choosing a romantic partner, science knows surprisingly little.
A great white shark captured off the coast of Mexico. Flickr/Brook Ward

No bones about it: sharks evolved cartilage for a reason

We used to think of sharks as primitive fish because the had cartilage instead of bones. Turns out there was a good reason why and it makes them anything but primitive.
Sex is not without its costs. Wouldn’t it be easier if you could just create a clone of yourself? Tamara Álvarez/Flickr

If you could clone yourself, would you still have sex?

Imagine how easy life would be if you could produce offspring without a mate. Sexual reproduction is the most common mating system in the animal kingdom. But in many species, females do not require males…

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