Hot On HuffPost Science

Full Segment: Join Jacob and Cara to discuss what the hottest stories are on HuffPost Science right now including NASA's latest announcement about what has been found on Mercury!

Save videos for later by signing up or logging in

With "My Queue" you can quickly save videos to watch later.

To add an item to your queue just click the sign next to the video.

Once you've added a video visit "My Queue" to start watching!