This week, a world-first study has found “ sex reversal ” is surprisingly common among wild Australian bird species, Gabon’s orange cave crocodiles appear to be evolving into a new species, and even bird songs obey Zipf’s law of abbreviation, just like all human languages. Finally, we explore just how unlucky the only person to ever be killed by a meteorite really was. The rest of this article is behind a paywall. Please sign in or subscribe to access the full content.

Create an IFLScience account to get all the biggest science news delivered straight to your inbox every Wednesday and Saturday.

New Species Of Early Human Lived Alongside The Oldest Known Homo Over 2.6 Million Years Ago

Fossilized teeth discovered in Ethiopia have revealed a new-to-science species of Australopit

See Full Page