EarthHow Earth's changing ecosystems may have driven human evolution The most detailed ever look at Earth's prehistoric climate suggests many habitats changed in the past 800,000 years – and this may be why we evolved big brains News
LifeLost 'Darwinia' islands could be origin of species in the Galapagos Millions of years before the Galapagos existed, another island chain may have shaped the evolution of the unusual wildlife that later inspired Charles Darwin News