Einsteins Lesser Known Projects | Marijuana Allergies on the Rise | Wildlife Fighting the Flames

Beyond Relativity: Albert Einstein's Lesser-Known Work Though Einstein may be most famous for his theory of general relativity, he developed many other big and small ideas that became important.
Marijuana May Trigger Allergies in Some People People can be allergic to marijuana pollen, and with the increasing cultivation of the plant, allergies are rising, experts say.
	Wildlife Fight to Survive as Forests Burn (Gallery) Burning forests are devastating wildlife around the globe, but conservationists are now trying to slow the disaster and save the species — many endangered — that are at risk.
	Being Gay Not a Choice: Science Contradicts Ben Carson Many scientific studies suggest that people don't choose to be gay, contrary to the claims of Republican presidential hopeful Ben Carson.
	Hippo's 'Shrunken' Ancestor Was Hardly Bigger Than a Sheep The ancestor to hippopotami lived in Africa about 28 million years ago and weighed just a few hundred pounds, new fossil evidence suggests.
	Fitness Trackers May Boost Weight Loss Fitness trackers may help some people get more out of a weight loss app, a new survey suggests.