Ancient Moroccan Sea Creature | The Metal Rain of Early Earth | Missing Link in Apple Watch

Prehistoric 'Sea Monster' Had More Legs Than Thought A well-preserved fossil has helped scientists determine that an ancient 480-million-year-old arthropod had two, not one, set of limbs.
Cosmic Smashups May Have Rained Metal on Early Earth Iron vapor from cosmic impacts during the early days of Earth could have triggered "metal rain" to fall on the newborn planet, researchers say.
	San Diego Zoo Turns Off Panda Cam for Mating Time This week, panda parents Bai Yun and Gao Gao made their first breeding attempt since 2012.
	5 Weird Ways Cold Weather Affects Your Psyche Cold temperatures may affect people in more ways than they realize, from what color they wear to how they judge mug shots of criminals.
	What is Qigong? Qigong (pronounced chee-gong) is an exercise and healing technique developed in China more than 4,000 years ago. It has a deep spiritual or paranormal base that many today would describe as pseudoscience.
	Will the Apple Watch Make People Healthier? The Apple Watch will have a number of health and fitness features, including activity tracking and reminders to get moving, but could the watch really make people healthier?