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Lightning during a heavy rainstorm is one of the most dramatic phenomena on the planet—and it happens, somewhere on Earth, an estimated 50 to 100 times a second. But even though scientists have been puzzling over the physics of lightning for decades, stretching back even to Ben Franklin’s kite experiment, much of the science remains mysterious. Ira and IEEE Spectrum news editor Amy Nordrum speak with Farhad Rachidi, a lightning researcher at Säntis Tower in Switzerland, as well as Bill Rison, a professor of electrical engineering at New Mexico Tech and Ryan Said, a research scientist at Vaisala, about what potentially causes lightning, lightning-sparked wildfires, and why it's hard to study it in a lab.
Plus: Scooters are electric, emission-free, and must be replacing gas-guzzling car trips. That has to be good for the climate, right? But a new study in the journal Environmental Research Letters says electric scooters actually aren’t very green. Sigal Samuel, a staff writer for Vox based in Washington D.C., joins Ira to talk more about the study.
And this week, the Trump administration announced it would change the way the Endangered Species Act is implemented starting in September. Regulators would soon be able to conduct economic assessments to decide whether a species should be protected or not. Maggie Koerth-Baker, senior science reporter for FiveThiryEight, joins Ira to discuss the roll back as well as other science headlines in this week's News Roundup.
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