Giant fauna killed by heat, not humans

• Autores: Michael Slezak
• Localización: New scientist, ISSN 0262-4079, Nº. 3032, 2015, pág. 12
• Idioma: inglés
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• Resumen

  • Humans weren't to blame for the extinction of prehistoric giant mammals after all--global warming was the real culprit, according to new evidence. Ever since a giant sloth was uncovered more than 200 years ago, hinting at the existence of an ancient menagerie of megafauna, humans' ancestors have been on trial for their extinction. Researcher Alan Cooper's team has produced a timeline of changes in megafauna populations around Eurasia and North America over the last 56,000 years, and matched it up with ancient climate records. According to Cooper's evidence, megafauna extinctions were relatively common whether humans were around or not