The covert project to (finally) measure hellish subway heat
Meet Jack Klein, the guy who stealthily collects data about New York’s hottest days underground.
News
Does sleep really 'wash' your brain?
A neuroscientist on what “good sleep” really means.
Finding climate answers in microscopic iceballs and subsurface explosions
The natural forces we know shape our climate future are many—and growing.
A heart-powered pacemaker could free patients from the grips of medical device makers
Engineers in South Korea developed a battery-free pacemaker powered by the beating of the heart that could, potentially, last a lifetime.
The horses and mules that moved mountains and hearts
Forest Service stock animals are indispensable to trail work on public lands in the West. Trump’s radical upheaval is accelerating the death of a disappearing art.
Turkey vultures in California are testing positive for rat poison
Despite statewide restrictions on the deadly poisons, new research shows they’re still infiltrating the food web.
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