Charles Darwin believed evolution created “ endless forms most beautiful ”. It’s a nice sentiment but it doesn’t explain why evolution keeps making crabs.

As Darwin described evolution, the 'fitter' an organism is, the more likely it is to reproduce and pass on its genetic material. He did not know about DNA, but DNA is how genes are passed on.

Life forms became even more complex following the evolution of organelles able to produce oxygen. Plastids, such as chloroplasts found in plants, evolved around 1,500 million years ago.

Proteins are the key component in all modern forms of life. Haemoglobin, for example, transports the oxygen in our blood; photosynthesis proteins in the leaves of plants convert sunlight into energy; ...

Their report, which will be published online today by the journal Cell, suggests that evolution holds the key to understanding why CLL often recurs after treatment, and to the development of better ...