The Mystery at the Heart of Physics—That Only Math Can Solve

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“It’s totally boring, because you’ve described a lonely field with nothing to interact with, so it’s a bit of an academic exercise,” said Rejzner.But you can make it more...

The Mystery of Betelgeuse’s Dimming Has Finally Been Solved

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In December 2019, astronomers noticed a strange, dramatic dimming in the light from Betelgeuse, a bright red star in the Orion constellation. They puzzled over the phenomenon and...

GPS III’s Long Journey Is Picking Up Speed

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With the launch of a fifth new-generation satellite, the US finally has a constellation able to globally beam M-Code signals that are tough to spoof or jam.

The Lithium Mine Versus the Wildflower

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The environmental ethicist Katie McShane compares our reverence for species to the word freedom. Everyone believes in it, but nobody knows what it means. “Even if you agree...

The Delta Variant and Low Vaccine Rates Could Spell Trouble

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By many metrics, the US is doing relatively well against the pandemic coronavirus. National tallies of cases, hospitalizations, and deaths are all at lows not seen since early...

A Clever Robot Spies on Creatures in the Ocean’s ‘Twilight Zone’

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Using stereo cameras and detection algorithms, Mesobot parses its subjects’ movements and follows them. Yoerger and his colleagues demonstrated the robot’s capabilities in Monterey Bay at 650 feet deep,...

The Challenge of Covid-19 Vaccines for the Immunosuppressed

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Plus, antibodies are not the only defense the body deploys to create immunity: We also make T cells, memory B cells, and others. The vaccine clinical trials didn’t attempt...

NASA Might Put a Huge Telescope on the Far Side of the Moon

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The universe is constantly beaming its history to us. For instance: Information about what happened long, long ago, contained in the long-length radio waves that are ubiquitous throughout...

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47 Best Amazon Prime Day Deals for $50 or Less (Day 2)

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Amazon Prime Day can be overwhelming if you don't have a few products in mind you've been waiting to shop for. To help you...