Science, Spoken

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FDA Permits the Sale of a New Smoking Device. Is It Safe? Nov 11, 2019

Show notes

Not quite an e-cigarette and not the old paper kind either, the Iqos is the latest controversial device to enter the vaping wars.

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This Martini Wants to Kill Climate Change One Sip at a Time Nov 08, 2019

Show notes

In 2017, Stafford Sheehan was a chemist working on artificial photosynthesis, coming up with metal-based catalysts that’d mimic the way living things acquire energy from the Sun. He did not expect to create a martini that could save the planet. Sheehan had an invention, a box that could electrolyze a burst of carbon dioxide and a dose of water. Run all that over a metal catalyst to goose a biochemical reaction, and, presto: renewable fuel made from air.

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SpaceX and Boeing Still Need a Parachute That Always Works Nov 08, 2019

Show notes

On Monday, a small capsule launched off its test stand at the White Sands Missile Range in New Mexico, reaching speeds of more than 600 mph in just seconds. The spacecraft was Boeing’s Starliner crew capsule, which will begin carrying NASA astronauts to the International Space Station next year. Later this week, SpaceX will also perform a test of its Crew Dragon capsule, a second try after a catastrophic explosion ended a similar trial run earlier this year.

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Do We Need a Special Language to Talk to Aliens? Nov 07, 2019

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In May 2018, a radar facility in Tromsø, Norway trained its antennas on GJ237b, a potentially habitable exoplanet located 12 light years from Earth. Over the course of three days, the radar broadcast a message toward the planet in the hopes that there might be something, or someone, there to receive it. Each message consisted of a selection of short songs and a primer on how to interpret the contents.

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If You Want a Robot to Learn Better, Be a Jerk to It Nov 07, 2019

Show notes

In what will go down as one of the greatest robotics experiments ever, a few years back researchers in Japan let a robot loose in a mall and watched how kids reacted. Far from the sense of wonder you might expect from children, the mood soured into a sense of concern for the next generation, as the kids proceeded to kick and punch the robot and call it names. Call it unconstructive criticism.

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The Delicate Art—and Evolving Science—of Wildfire Evacuations Nov 06, 2019

Show notes

On the evening of October 23, in the middle of the kind of dry, windy night that has become more frequent and more terrifying in recent California autumns, a fire began outside the small unincorporated Northern California town of Geyserville. Over the next two days, as winds reached hurricane-like strength, they carried the fire south, burning some 75,000 acres and threatening some 90,000 structures as of Wednesday afternoon.

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Trump Can Now Exit the Paris Accord. It's Still a Bad Idea Nov 06, 2019

Show notes

When President Trump visited Pittsburgh last month, he complained about how the Paris climate treaty was unfair to the United States. “I withdrew the United States from the terrible, one-sided climate accord, it was a total disaster for our country,” Trump told a cheering crowd at a natural gas conference. “They were taking away our wealth. It was almost as though it was meant to hurt the competitiveness—really, competitiveness of the United States.

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Where Do Hippos Wander? An Aquatic Mystery, Solved Nov 05, 2019

Show notes

It’d be tough to mistake a hippo for a sensitive type. Weighing more than a Honda Accord and packing massive incisors, it’s one of the most dangerous animals on Earth. But in reality it’s far more vulnerable than it lets on: Habitat loss, climate change, and rampant water extraction are all threatening the African rivers the hippo calls home.

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Here’s What Happens When You Leave Weed Up Your Nose for 18 Years Nov 05, 2019

Show notes

Nose pickers are often said to be digging for gold. But a 48-year-old Australian man needed an entirely different kind of nugget mined from his schnoz. Doctors excavated from the man's right nasal cavity a 19 mm by 11 mm rock-hard mass—the calcified remains of a small amount of marijuana he tried to smuggle into prison a startling 18 years earlier. ARS TECHNICA This story originally appeared on Ars Technica, a trusted source for technology news, tech policy analysis, reviews, and more.

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How the Measles Virus Induces ‘Immune Amnesia’ Nov 04, 2019

Show notes

In the summer of 1907, a German doctor named Clemens von Pirquet noticed something strange with one of his patients. The five-year-old boy had previously tested positive for tuberculosis. The test involved injecting a tiny bit of TB protein just under the skin. His antibodies recognized it, activating immune cells which formed a little bump at the injection site. This happens to anyone who has ever been infected with TB. But when Pirquet performed the same test on the boy a second time, no bump.

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