As you leave 2012 in the dust, join Julie and Robert as they take one last look in the rearview mirror at some of the truly mind blowing science that went down in the past year.
Learn more about advertising on the HowStuffWorks podcasts at www.howstuffworks.com/advertisers.htm
And to learn about your ad choices when listening to podcasts, visit
https://www.howstuffworks.com/privacy.htm#ad-choices
