The pains and strains of a continental breakup

Every now and then in Earth's history, a pair of continents draws close enough to form one. There comes a time, however, when they must inevitably part ways.

It's a dog's life when man's best friend becomes his fattest

A study published this morning in Nature offers further insight into how dogs became domesticated. The comparative analysis of human, canine and wolf genomes suggests that humans and dogs have evolved in parallel as a response ...

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