There are 2 billion tires sold every year and each takes several gallons of oil to make it. Scientists have found an unusual source of natural rubber that is hidden in your salad. 

The secret for how leaves change color is uncovered. Find out how yellow and orange colors are made and how they are made differently from the reds and the purple colors. The best tree to see in the fall is also revealed.  

NFL legend Jerry Rice discovered something that perplexes rocket scientists. The football looks different if thrown by a left-handed or right-handed quarterback and will drift off its target. The reason? The spin.

The host of Science Underground invites you to explore the wonders of the world and to get back in touch with your inner scientist. Welcome the the Underground ... Science Underground.