(CNN) — Sometimes it’s the smallest things that ruin your day. For the passengers of a flight between the eastern Chinese cities of Shanghai and Jinan, it was a miniature pet possum. The tiny sugar ...

Sometimes it’s the smallest things that ruin your day. For the passengers of a flight between the eastern Chinese cities of Shanghai and Jinan, it was a miniature pet possum. The tiny sugar glider – a ...

A parachute-like skin membrane, the patagium, evolved independently in several marsupial species. Genomic analysis suggests that this trait came about through different changes to the regulation of ...