Science, Spoken

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Researchers Grew Tiny Plants in Moon Dirt Collected Decades Ago May 20, 2022

Show notes

The seedlings sprouted in the regolith scooped up in the 1960s and ’70s, but astronauts won’t be harvesting lunar spuds anytime soon.

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An Elusive Gravity Signal Could Mean Faster Earthquake Warnings May 19, 2022

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Tiny wobbles in Earth’s gravitational field could help detect big tremors faster, but they’re hard to tease out from the planet’s seismic noise.

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These Nanobots Can Swim Around a Wound and Kill Bacteria May 18, 2022

Show notes

Researchers have created autonomous particles covered with patches of protein “motors.” They hope these bots will tote lifesaving drugs through bodily fluids.

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Ticks Are Spreading in the US—and Taking New Diseases With Them May 17, 2022

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The vast majority of tick-borne disease goes unrecorded, meaning life-threatening pathogens are traveling under the radar to new locations.

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Delegates at the United Nations Have Begun Forging New Rules for Space May 16, 2022

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International experts are using earthly policies as models to hash out regulations for orbiting spacecraft, from preventing conflict to limiting trash.

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Burning Crops to Capture Carbon? Good Luck Finding Water May 13, 2022

Show notes

The technique uses plants as fuel and sequesters the emitted CO2, removing it from the atmosphere. But scaling up would use gobs of water and land.

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The Desert’s Fragile Skin Can’t Take Much More Heat May 12, 2022

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Climate change and human activity are destroying the layers of fungi, lichen, and bacteria that protect deserts from erosion.

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A Vast Underground Water System Helps Drive Antarctica’s Glaciers May 11, 2022

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Scientists have finally found Antarctica’s missing groundwater, which will help them predict ice flows on the continent.

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You Don’t Have to Quit Meat to Save the Planet—Just Eat Less May 10, 2022

Show notes

If everyone ate just 20 percent less beef, deforestation rates by 2050 could be half as bad.

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Australia Moves Ahead Cautiously With '3-Parent IVF' May 09, 2022

Show notes

The nation follows the UK in permitting mitochondrial donation, which aims to prevent the transmission of rare but often fatal conditions.

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