Caffeine as You've Never Seen It!

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Crystals You Drink Every Morning: Big Pic         Sipping coffee? Take a closer look at what you're drinking in this scanning electron micrograph image of caffeine crystals. Read More WATCH VIDEO: Deleting Email Spam Coffee and deleting spam are part of our morning routines, but why should you never return those spam emails? How Olympic 'Blade Runner' Sprints Without Feet         South Africa's Oscar Pistorius will be the first amputee to compete in the Olympics. Here's a look at the mechanics of how he runs. Read More WATCH VIDEO: Marathon Running Examined How safe it is for runners to push their bodies to the limits and run 26.2 miles at one time? Mars Rover (Almost) Rolls a Marathon         The tenacious Mars rover's odometer is reading 22 miles, a few miles short of a marathon -- does she hold the extraterrestrial roving record? Read More WATCH VIDEO: Red Planet Why is Mars red? Martian Gullies Sprinkled With Icy Glitter         A camera on a NASA orbiter stares deep into the shadowed gullies gouged into the walls of a crater on Mars. Read More WATCH VIDEO: New Moon Crater Pops With Color NASA recently counted over 5,000 craters in the surface of the moon - then released a new moon video of that census. Follow Discovery News on Facebook! Get your sci-tech headlines all day on Twitter too! Follow us @Discovery_News. At Discovery we value your privacy. If you would like to be removed from Discovery News emails like this, please click here to our subscription center, where you can manage your account. We recently updated our privacy policy. This policy is effective as of 10/30/07. To see new policy click here . Discovery Communications, LLC One Discovery Place Silver Spring, MD 20910 © 2010 Discovery Communications, LLC