With more than 50 million redeemed miles under her belt, Becky Pokora is a rewards travel expert. She's been writing about credit cards and reward travel since 2011 with articles on Forbes Advisor, ...

Covering the outer reaches of space to the tiniest microbes in our bodies, Science Friday is the source for entertaining and educational stories about science, technology, and other cool stuff.

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Kimber Streams, Dave Gershgorn, and Haley Perry After a new round of testing, ...