I had a chance to count down the top five with HuffPost Live host/producer Jacob Soboroff, and he gave me only 30 seconds for the rundown. Recap the latest science news in the video above, or watch the full segment below. And don't forget to join the conversation in the comments section at the bottom of the page. Talk nerdy to me!
Calling all HuffPost superfans!
Sign up for membership to become a founding member and help shape HuffPost's next chapter