About 40,000 years ago, giant kangaroos vanished Down Under. Dental analyses suggest a varied diet, meaning climate change was not the main cause.

As the Arctic region undergoes changes due to climate change, the melting of the ice opens up a new frontier, unlocking ...

But recently, I noticed something that made my head instinctively turn: People walking backwards on the treadmill. After witnessing several instances of this reverse strolling, I got curious and went ...