Scientists get closer to knowing the exact makeup of Earth’s innards. Read “Oxygen a bit player in Earth’s outer core.”
GENES & CELLS
A sense-mixing condition in which some people see smells or taste colors may have genetic roots. See “Unraveling synesthesia.”
BODY & BRAIN
An illusion that tricks people into thinking a sore hand is healthy can reduce pain. Learn more in “Mirrors can alleviate arthritis.”
An experimental therapy could improve heart attack treatment. See “Busting blood clots with a nanoparticle.”
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