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The Physics of Accelerating Spacecraft in *The Expanse*

[embedded content] If you like science fiction, I can recommend a show for you—The Expanse. It takes place in the not-so-distant future all right here in our own solar system. There are no pew-pew lasers or faster-than-light space travel. When humans are on a spacecraft, they either “float” around or ...

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Are Avocados Toast?

This story originally appeared on Grist and is part of the Climate Desk collaboration. Chris Sayer pushed his way through avocado branches and grasped a denuded limb. It was stained black, as if someone had ladled tar over its bark. In February, the temperature had dropped below freezing for three hours, killing the limb. ...

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Study casts doubt on traditional view of pterosaur flight

Most renderings and reconstructions of pterodactyls and other extinct flying reptiles show a flight pose much like that of bats, which fly with their hind limbs splayed wide apart. But a new method for inferring how ancient animals might have moved their joints suggests that pterosaurs probably couldn’t strike that ...

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New tech may make prosthetic hands easier for patients to use

Researchers have developed new technology for decoding neuromuscular signals to control powered, prosthetic wrists and hands. The work relies on computer models that closely mimic the behavior of the natural structures in the forearm, wrist and hand. The technology could also be used to develop new computer interface devices for ...

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Daily egg consumption may reduce cardiovascular disease

People who consume an egg a day could significantly reduce their risk of cardiovascular diseases compared with eating no eggs, suggests a study carried out in China, published in the journal Heart. Cardiovascular disease (CVD) is the leading cause of death and disability worldwide, including China, mostly due to ischaemic ...

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A new map for a birthplace of stars

A Yale-led research group has created the most detailed maps yet of a vast seedbed of stars similar to Earth’s Sun. The maps provide unprecedented detail of the structure of the Orion A molecular cloud, the closest star-forming region of high-mass stars. Orion A hosts a variety of star-forming environments, ...

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Space Photos of the Week: Mars Gets Pac Man Fever

We are bopping around the entire universe this week, but our first stop is local—let’s head to Mars. When you think of Mars, you might imagine red-tinted deserts and craggy red rocks. But you should also think of Pac Man. This week NASA released an image of a crater-dune combination ...

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