It's time now for our science news roundup from Short Wave, NPR's science podcast. And I'm joined now by Emily Kwong and Berly McCoy from the show. Hi to both of you. BERLY MCCOY, BYLINE: Hi, Juana.

Add Yahoo as a preferred source to see more of our stories on Google. This week in science: fossilized 'mammoth' bones found to be from a completely different animal; NASA returns Space Station ...

This week in science: sleep found to be a key factor in life expectancy; cats meow twice as much at men as at women; a quick-acting relief for depression; and much more! Not getting enough sleep has ...

This week in science: researchers functionally cure type 1 diabetes in mice; a strange new organism could represent a completely unknown branch of the tree of life; a physicist ponders the damage a ...