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Lung Cancer Screen Could Be Easy-pee-sy

Imagine getting screened for early-stage lung cancer simply by taking a deep breath from an inhaler, and then peeing into a cup. Sangeeta Bhatia, a professor of health sciences and engineering at M.I.T., described how that might be possible in a TED talk she gave in 2016: Bhatia: “What if you had a detector that […]

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Do We Live in a Lopsided Universe?

If your life sometimes seems directionless, you might legitimately blame the universe. According to the key tenets of modern physics, the cosmos is “isotropic” at multi-billion-light-year scales—meaning it should have the same look and behavior in every direction. Ever since the big bang nearly 14 billion years ago, the universe ought to have expanded identically […]