Matter: When Dinosaurs Ruled the Earth, Mammals Took to the Skies New fossil discoveries show that prehistoric “squirrels” glided through forests at least 160 million years ago, long before scientists had thought. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Nonfiction: Is Our Obsession With Wellness Doing Us In?Volcano eruption WARNING: Intense volcanic CO2 activity 'drives GLOBAL EXTINCTION'Yellowstone eruption: Steamboat Geyser blast stuns scientists for 9th time this yearSpaceX launch facilities REVEALED: Elon Musk to expand Florida base with ‘Rocket Garden’VOLCANO WARNING: Warnings issued for two MAJOR volcanoes book-ending North AmericaWhat does God look like? Does THIS photograph show the true face of God?