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Beavers are gnawing at the arctic permafrost and this is bad for the planet

With their sharp teeth, beavers cut down trees and shrubs and built dams, which flood small valleys and form new lakes that can cover several hectares of land. These new water bodies contribute to the thawing of frozen permafrost soil, which is a huge natural reservoir of methane, a powerful greenhouse gas. In recent years, scientists have identified beavers in …

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The mutation can increase Coronavirus infectivity

(Newser) – As scientists and researchers work to provide everyone with information about the new coronavirus as quickly as possible, they need to be sure that the data is useful and accurate. This daunting task was complicated by the bewildering and alarming mutation of the virus, the Washington Post relationships. It’s a change that doesn’t seem to make the disease …

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SpaceX’s launch of the Space Force GPS satellite could break a record

SpaceX’s Crew Dragon spacecraft, perched on the company’s Falcon 9 rocket, takes off from the 39A launch pad at the Kennedy Space Center in Cape Canaveral, Florida, bringing NASA astronauts Robert Behnken and Douglas Hurley to the International Space Station. SpaceX On Tuesday, SpaceX will attempt its third launch from its historic flight of NASA astronauts to the International Space …

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Expedition 63 InFlight event with Various Media – June 29, 2020 – NASA Video

Expedition 63 InFlight event with Various Media – June 29, 2020 NASA Video Progress to assist investigations on benzene on ISS NASASpaceflight.com NASA astronaut shares photos capturing the boundaries between day and night on Earth in one frame News18 The NASA astronaut shares beautiful photos of the border between night and day on Earth Mirror Online View full coverage on …

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How flying snakes slide: swimming in the air – naturalistic video

How flying snakes slide: swim through the naturalistic video of the air Flying snakes can travel considerable distances, scientists now know as NPR Here’s how flying snakes stay high on Science News Flying snakes move their bodies to glide gently down the trees. New scientist The new 3D model shows how the snake of the tree of paradise uses aerial …

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The South Pole is also heating up quickly, scientists say

The South Pole, the most isolated part of the planet, is also one of the fastest warming, scientists said Monday, with surface air temperatures rising since the 1990s at a rate three times faster than the global average. While warming may be the result of just natural climate change, the researchers said, the effects of man-made warming are likely to …

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Explanation of the darkening of the nearby supergiant star

Opera: Betelgeuse is a red supergiant star, almost 1,000 times larger than the Sun. Astronomers claim that large interesting patches on a “supergiant” star near Earth were behind its mitigation of surprise last year. Red giant stars like Betelgeuse often undergo changes in brightness, but the drop to 40% of its normal value between October 2019 and April 2020 surprised …

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Scientists identify the flash of light from the collision of black holes. But how?

Black holes should not make flashes of light. It’s right there in the name: black holes. Even when bumping into each other, huge objects should be invisible to traditional astronomers’ tools. But when scientists detected a black hole collision last year, they also noticed a strange glow from the accident. On May 21, 2019, Earth’s gravitational wave the detectors have …

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