Melanin samples are headed to the International Space Station to test their ability to protect against radiation.
True change requires persuasion from the ground up.
Winged Victory
Emily Gurley’s painstaking surveillance is catching up with a lethal virus.
For five decades, David Paige has fought to radically improve children’s nutrition in the U.S.—and amassed tangible evidence of the journey.
A Parasite-Powered Hunger Strike
Does Plasmodium drive mosquitoes’ feeding behavior?
Suspicious Packages
A new screening test finds evidence of cancer in DNA fragments.
Digitizing Health Care
Smisha Agarwal assesses the immense potential—and possible pitfalls—of digital health technologies.
A New Strategy for Opioids
Cutting the supply of painkillers isn’t solving the opioid epidemic.
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An exploration of one of our most basic needs—and what failing to meet it means.