Watch an Early Premiere of Build to Mega Race Part 2

It's Motor Mega Week on Discovery GO. | No Images? Click here At Discovery Communications, we value your privacy. If you would like to update your email preferences or unsubscribe, please click here. Privacy Policy Our mailing address is: Discovery Communications, LLC One Discovery Place Silver Spring, MD 20910

It's Motor Mega Week on Discovery GO. | No Images? Click here At Discovery Communications, we value your privacy. If you would like to update your email preferences or unsubscribe, please click here. Privacy Policy Our mailing address is: Discovery Communications, LLC One Discovery Place Silver Spring, MD 20910

Trying to lose weight, eh?

Why is it so hard to keep weight off after losing it? One study suggests it's because your body wants you to put it back on.

After Weight Loss, Hunger Is a Life Sentence   Ants Rescue and Treat Wounded Comrades Each day in sub-Saharan Africa, a bloody battle rages. This never-ending war has killed thousands, perhaps millions, and left many scarred for life. In the middle of this carnage is a group of brave soldiers who risk everything to pull injured comrades out of harm's way so they can receive much-needed medical attention. See more How to See Who Views Your Facebook Profile By now, you've most likely noticed the many apps and Web services claiming to let you see who's viewing your Facebook profile. Is your college ex checking up on you? Is someone from work scrolling through pictures of your beach vacation? Are your parents secretly peeking in on your private life? These apps promise the answers. See More ​Room-temp Pizza: A Gamble or Good-to-go?   Porsche Is 3-D Printing Rare Parts for Its Classic Cars   Nearly Every English Word Is Trademarked In 1999 I rescued two cats from a local vet. I named one Pandora. A couple of years later, PANDORA jewelry became all the rage. Now, every time I see a PANDORA commercial I kick myself for not trademarking my little girl's name. The two of us could have been swimming in cat treats. Yet, even if I had thought of it, according to two New York University law professors, it probably would have been too late to cash in. It seems that many of the words we use every day are already trademarked, which means it is difficult for entrepreneurs to find good names for their companies. See more >> Copyright © 2018 HowStuffWorks, All rights reserved. You are receiving this email because you opted in at our website howstuffworks.com Our mailing address is: HowStuffWorks 675 Ponce de Leon Drive NE Suite 4500 Atlanta, Ga 30308 Add us to your address book Want to change how you receive these promotional emails? You can update your preferences or unsubscribe from this list

Ever wonder what those lines are in the sky?

Ever look at the sky and see a "cloud" trailing from an airplane? They're called "chemtrails" and have odd explanations for their existence.

What Are Chemtrails, And Should You Be Scared of Them? NASA's Kepler Mission Adds 100 Alien Worlds to Exoplanet Tally Astronomers analyzing data collected by NASA's Kepler Space Telescope have announced the discovery of nearly 100 alien worlds beyond our solar system and one of them is an exoplanet with a 10-day orbit that whips around the brightest star recorded in Kepler's database. See more The Farthest Pictures from Earth Ever Taken NASA's New Horizons space probe was launched in 2006 on a mission to gather information about Pluto and its moons and the Kuiper Belt, a ring of debris on the edge of our solar system. After reaching Pluto in 2015, the craft made some startling discoveries. See More State-funded Funerals: What Happens to the Unclaimed Dead?   Why Do Mass Shootings Keep Happening in U.S. Schools?   When Car Sharing and Pets Converge When you think of early adopters, you might think of someone who's had a car2go car sharing membership since Day 1, and probably a Zipcar membership before that. But an early adopter could also be that person you know who's been involved in rescuing puppies and kittens, well, before rescue was the thing. And in the Venn diagram of these two groups — early adopters or not — there's certainly a lot of overlap. See more >> Copyright © 2018 HowStuffWorks, All rights reserved. You are receiving this email because you opted in at our website howstuffworks.com Our mailing address is: HowStuffWorks 675 Ponce de Leon Drive NE Suite 4500 Atlanta, Ga 30308 Add us to your address book Want to change how you receive these promotional emails? You can update your preferences or unsubscribe from this list