Ancient Egypt’s Fiercest Female Rulers
[ad_1] From queens to battle commanders, Queen Ahhotep I, Queen Cleopatra VII and others gave their all for ancient Egypt. [ad_2] Source link
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Dmitry Rogozin has been dismissed as director general of Roscosmos [Updated]
[ad_1] Enlarge / Roscosmos head Dmitry Rogozin really knows how to fill out a hard hat. (credit: Yegor Aleyev / TASS via Getty Images) 8:30 am ET Friday Update: The Kremlin has made it official in a short communique—Dmitry Rogozin is out as director general of the country’s state-owned space corporation, Roscosmos. The decree is
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Rocket Report: Vega-C is a sight to see; will Europe push SpaceX aside?
[ad_1] Enlarge / Europe’s Vega-C rocket takes off from a spaceport in Kourou, French Guiana on Wednesday. (credit: European Space Agency) Welcome to Edition 5.03 of the Rocket Report! It was a big week for small launch news, with a successful debut for Europe’s Vega-C rocket, a responsive launch by Rocket Lab’s Electron vehicle, and
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Long-COVID patients spend their life savings on unproven “blood washing”
[ad_1] Enlarge / A plasma donor is connected to an apheresis machine, which separates plasma from blood as people donate blood plasma for medicines, at the Twickenham Donor Centre, southwest London on April 7, 2021. (credit: Getty | Johnathan Brady) The COVID-19 pandemic is considered by many experts to be a mass disabling event. Though
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Rossby Waves Affect Our Weather and Tides, But What Are They?
[ad_1] Rossby waves influence everything from high tides to extreme weather patterns, and not just on Earth. They also occur on the sun and on Venus and Jupiter as well. So, what are they exactly? [ad_2] Source link
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Quantum advantage showdowns have no clear winners
[ad_1] Enlarge / Xanadu’s quantum chip. (credit: Xanadu) Last month, physicists at Toronto-based startup Xanadu published a curious experiment in Nature in which they generated seemingly random numbers. During the pandemic, they built a tabletop machine named Borealis, consisting of lasers, mirrors, and over a kilometer of optical fiber. Within Borealis, 216 beams of infrared
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Men lose Y chromosomes as they age. It may be harming their hearts
[ad_1] As men get older, they don’t just lose their hair, muscle tone, and knee cartilage. They also start to lose Y chromosomes from their cells. Scientists have linked this vanishing to a long list of diseases and a higher risk of death, but the evidence has been circumstantial. Now, researchers report that when they
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News at a glance: Beijing’s vaccine flip, EU energy flap, and Marburg virus in West Africa
[ad_1] PALEONTOLOGY Dino’s puny arms resemble T. rex ’s For dinosaurs, tiny arms may have been the price of a giant, carnivorous head , according to a study of a new species. In Argentina’s Patagonian Desert, paleontologists discovered a halfcomplete, 11-meter-long skeleton that’s a Tyrannosaurus rex doppelgänger, with stubby arms and a cartoonishly big cranium,
Contrary to popular belief, woodpeckers don’t protect their brains when headbanging trees
[ad_1] There are plenty of reasons to bang your head against a wall these days. But if you do, maybe don’t look to the woodpecker for inspiration. Scientists have long hypothesized that a spongy bone in the woodpecker’s skull cushions its repeated head slams like a well-designed safety helmet. (Indeed, engineers have modeled football helmets
A treaty to break the pandemic cycle
[ad_1] An evidence-based treaty must balance prevention, preparedness, response, and repair [ad_2] Source link
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