Greece’s Mystery Tomb Reveals Stunning Mosaic Floor

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Stunning Mosaic Floor Found in Greece's Mystery Tomb         The central theme depicts a chariot in motion driven by Hermes, who is most likely escorting King Philip II to the Underworld. Read More WATCH VIDEO: How Did They Build the Pyramids? Water may have been key to this seemingly impossible task. Ebola-Zapping Robots Unleashed in Hospitals         A disinfecting robot pulses UV-C light, which kills pathogens in five minutes. Read More WATCH VIDEO: How Does Ebola Kill People? How exactly does the Ebola virus take human lives? Spacemen at Work: Astronauts Snap Amazing EVA Photos         On Oct. 7, NASA two astronauts ventured outside of the International Space Station to work. This is their spectacular 'office.' Read More WATCH VIDEO: What Astronauts Eat Today Getting food ready to eat in a gravity-free environment is way more complicated than you'd imagine. Why Do We Twitch Before Falling Asleep?         You know that feels-like-you're-falling thing that can happen just before you drift off to sleep? It's called the hypnogogic state and DNews explains what's up with that. Watch 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 © 2014 Discovery Communications, LLC