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.
The human Y chromosome has retained only 3% of its ancestral genes. So why’s it a shadow of its former self? Rafael Anderson Gonzales Mendoza/Flickr

Sex, genes, the Y chromosome and the future of men

The Y chromosome, that little chain of genes that determines the sex of humans, is not as tough as you might think. In fact, if we look at the Y chromosome over the course of our evolution we’ve seen it…

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