(Phys.org) —A study on human mitochondrial DNA has led to a new estimate of the time at which humans first began to migrate out of Africa, which was much later than previously thought.

Other Sciences - Archaeology & Fossils

Mar 22, 2013 4.7 / 5 (12) 0 |

A study led by Lluis Ribas de Pouplana, researcher at the Institute for Research in Biomedicine, gives an explanation for the divergent evolution of the genomes of different groups of species. The connection ...

Biology - Biotechnology

Mar 29, 2012 5 / 5 (5) 0

(PhysOrg.com) -- Gene duplications are arguably the driving force of organismal evolution – and if they survive, such duplicate genes will diverge in both regulatory and coding genomic regions. Coding ...

Biology - Biotechnology

Jan 31, 2012 4.6 / 5 (7) 1 |

The ancestor of all hammerhead sharks probably appeared abruptly in Earth's oceans about 20 million years ago and was as big as some contemporary hammerheads, according to a new study led by the University ...

Biology - Evolution

May 18, 2010 5 / 5 (5) 0 |