Biology news

Evolution puts checks on virgin births

It seems unnatural that a species could survive without having sex. Yet over the ages, evolution has endowed females of certain species of amphibians, reptiles and fish with the ability to clone themselves, ...

dateApr 17, 2015 in Plants & Animals
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A beggars banquet—life in a shared nest

It's not all bad for crow chicks who have to share their nest with an uninvited pushy guest such as a cuckoo youngster. For one, they can sit back and wait for food to arrive while the cuckoo chick does all the begging for ...

dateApr 15, 2015 in Plants & Animals
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