Time now for our science news roundup from Short Wave, NPR's science podcast. And we have the show's two hosts here, Regina Barber and Emily Kwong. Hello. REGINA BARBER, BYLINE: Hey. EMILY KWONG, ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. This week in science: A promising Alzheimer's breakthrough as an experimental drug completely reverses mental decline in mice with ...

This week in science: what your brain's doing when you zone out; the world's largest spider web; game over for simulation theory; and much more! A comprehensive meta-analysis has shown that fasting ...

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.