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UNITED KINGDOM – JULY 15: Teaching doll showing an iron lung. England, 1930-50. Wooden model of an … [+] iron lung, with plastic infant doll and bedding enclosed. Probably used to demonstrate to child patients their prospective treatment for poliomyelitis, from the Lord Mayor Treloar Orthopaedic Hospital. England, 1930-50. (Photo by Science & Society Picture
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Share to facebook Share to twitter Share to linkedin How much screen time is too much? The American Academy of Pediatrics recommends that children under the age of 18 months have no screen time, other than video-chatting. At 18 to 24 months, they recommend only high-quality programming, and at the age of 2 to 5,
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Turtle biologist Tomas Diagne holding a critically endangered Nubian Flapshell Turtle (Cyclanorbis … [+] elegans). African Chelonian Institute In late November, Tomas Diagne a turtle biologist from Senegal received a big surprise in a theater in London – he had just won the 2019 Tusk Award for Conservation in Africa, presented by Prince William. According
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On November 18, 2019, approximately 19 Starlink satellites passed over Cerro Tololo Inter-American… [+] Observatory, disrupting astronomical observations and hindering the science being undertaken in a real, measurable way. If SpaceX’s current plans unfold as laid out, the consequences for astronomy will be extraordinary. CLARAE MARTÍNEZ-VÁZQUEZ / CTIO In May of this year, Elon Musk’s
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SpaceX’s Starlink satellites were brighter than many expected. SpaceX SpaceX has said it is taking measures to tackle some of the concerns raised by astronomers about its Starlink constellation, as it gears up to launch more than a thousand satellites in the next 12 months. The company’s Starlink mega constellation, which will add up to
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Our entire cosmic history is theoretically well-understood, but only because we understand the… [+] theory of gravitation that underlies it, and because we know the Universe’s present expansion rate and energy composition. Light will always continue to propagate through this expanding Universe, and we will continue to receive that light arbitrarily far into the future,
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Share to facebook Share to twitter Share to linkedin With over 2 decades of Hubble observations, including in ultraviolet light, astronomers have newly… [+] revealed some striking features, including streaks (in blue) emerging from the lower-left lobe. These streaks are created when the star’s light rays poke through the dust clumps scattered along the bubble’s
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Sunlight streaming through a forest of giant kelp, Macrocystis pyrifera, off Catalina Island, … [+] California, USA. (Photo by: David Fleetham/VW PICS/Universal Images Group via Getty Images) Universal Images Group via Getty Images Scuba divers along the California coast have been watching the kelp forests steadily disappear for years, and everyone is pointing fingers at
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NASA astronauts Jessica Meir and Christina Koch harvest a crop of Mizuna mustard greens grown for … [+] the Veg-04B investigation, part of a phased research project to address the need for fresh food production in space. Credit: NASA If you’re an astronaut living on the International Space Station, you get regular shipments of freeze-dried
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Takahashi’s daughter reported that he was re-reading Stephen Hawking’s A Brief History of Time on … [+] the evening of his death. Lamont-Doherty Earth Observatory Geochemist Taro Takahashi, who helped discover the ocean’s vital role as a carbon sink, died on December 3, 2019 at the age of 89. Takahashi was born in Japan in
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