Science, Spoken

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More Covid Vaccine Choices Mean New Equity Challenges Feb 17, 2021

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Johnson and Johnson’s vaccine can be delivered in a single dose, but it’s also slightly less effective. Who should get it?

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American Cities Are Way Underreporting Their Carbon Footprints Feb 16, 2021

Show notes

A modeling system called Vulcan shows that on average, cities across the country pollute 18.3 percent more than they’ve estimated.Â

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How Universes Might Bubble Up and Collide Feb 15, 2021

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To understand how universes might inflate and bump into each other in the hypothetical multiverse, physicists are studying digital and physical analogs of the process.

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Dozens of Egyptian Tombs Will Be Unearthed at Saqqara Necropolis Feb 12, 2021

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Archaeologists found the entrance to the unexplored burial shaft earlier this week.

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Why Kids Matter in the Quest to Stamp Out Covid-19 Feb 11, 2021

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Testing a vaccine on children takes longer and comes with more challenges. But inoculating kids can protect an entire population.

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The Trump Administration Left Biden With a Rocket Dilemma Feb 10, 2021

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Mike Pence promised to land on the moon in 2024, but that’s fallen out of reach. So what now?Â

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Sun-Loving Bacteria May Be Accelerating Glacial Melting Feb 09, 2021

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Scientists find that cyanobacteria cause sediments on glaciers to clump, thus absorbing more sunlight. It's not great news for fans of lower sea levels.

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The Secret Ingredient That Powers Supernovas Feb 08, 2021

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Three-dimensional computer simulations have solved the mystery of why doomed stars explode at all.

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Is It Time for an Emergency Rollout of Carbon-Eating Machines? Feb 05, 2021

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Facilities that suck carbon dioxide out of the air could be powerful weapons for fighting climate change. But their deployment requires a huge wartime-style investment.

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Are Mass Clinics the Solution for Covid-19 Vaccination? Feb 04, 2021

Show notes

Mega-sites need a lot of personnel and pose problems of access and equity.Â ButÂ other vaccination campaigns might point us in the right direction.

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