Science

Why do some animals sleep so much?

[ad_1] A dog snoring all afternoon on the living room floor. Walrus snoozing on your stomach on a beach. Lions lying on the Serengeti. A hippopotamus dozing on a mud bank. These sleepy scenes may cause people to wonder why these other mammals seem to sleep so much more than …

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The throttle takes a cross-country trip to enable the laser upgrade

[ad_1] Thomas Jefferson National Accelerator Facility shipped the new final section of the accelerator he built for a Linac Coherent Light Source (LCLS) upgrade. The accelerator section, called the cryomodule, has begun a cross-country road trip to DOE’s SLAC National Accelerator Laboratory, where it will be installed in LCLS-II, the …

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The mystery of the Blue Ring Nebula discovered after 16 years

[ad_1] The Blue Ring Nebula, a star with an unusual ultraviolet ring around it spotted by astronomers working on NASA’s now defunct Galaxy Evolution Explorer (GALEX) mission sixteen years ago, has amazed and perplexed researchers since its discovery. Now, it appears that astronomers may have finally uncovered the mystery behind …

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Good antibodies. Machine-made molecules better?

[ad_1] The coronavirus may be new, but long ago, nature provided humans with the tools to recognize it, at least on a microscopic scale: antibodies, Y-shaped immune proteins that can attach to pathogens and prevent them from infiltrating cells. . Millions of years of evolution have turned these proteins into …

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