The galaxy's chimneys

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3/24/2019 Saber-toothed cats were fierce and family-oriented New details shift the debate on whether Smilodon lived and hunted in packs, and answer questions about other behaviors and abilities. Read More Newfound fossils in China highlight a dizzying diversity of Cambrian life A new treasure trove of Cambrian fossils in China dating to 518 million years ago could rival Canada's Burgess Shale.  Read More A new ketamine-based antidepressant raises hope — and questions Little is known about the long-term effects on people of a newly approved antidepressant based on the anesthetic ketamine. Read More X-ray ‘chimneys’ connect the Milky Way to mysterious gamma-ray bubbles Two columns of X-rays that are hundreds of light-years long could explain the existence of giant bubbles of energetic light that sandwich the galaxy. Read More In a first, a fossilized egg is found preserved inside an ancient bird Scientists have found the first known fossil of a bird that died with an unlaid egg inside its body. The egg has been crushed by pressure over time. Read More Meet India’s starry dwarf frog — a species with no close relatives The newly identified starry dwarf frog represents a new species, genus and potentially even a new family. Read More The learning gap between rich and poor students hasn’t changed in decades The educational achievement gap between the poorest and richest U.S. students remains as wide as it was almost 50 years ago.  Read More Ultima Thule may be a frankenworld The first geologic map of Ultima Thule shows it might be made of many smaller rocks that clumped together under the force of their own gravity. Read More People can sense Earth’s magnetic field, brain waves suggest An analysis of brain waves offers new evidence that people subconsciously process information about the planet’s magnetism. Read More The oldest known astrolabe was used on one of Vasco da Gama’s ships A navigational device for taking altitudes at sea was found in a Portuguese shipwreck in the Arabian Sea and dates back to 1496.  Read More Privacy policy  |  Update Profile  | Manage Subscriptions  |   Unsubscribe This email was sent by: Society for Science & the Public 1719 N Street NW Washington, DC, 20036, US