Elephants can tell when a storm is approaching, even if it’s 150 miles away. Scientists hope one day to use this ability to save them from being killed by the thousands by poachers.

The wonder of animal movement, from the tiniest of insects to the largest fish in the sea, has been a subject of mystery for ages. But when it comes to animal propulsion, there are almost infinite kinds.

Air pollution from China is affecting the world’s weather. The findings are based on climate models and data collected over the past 30 years.