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Debate over Pluto’s planet status still carries on
Managing editor Erin Wayman discusses the challenges of classification in science, from Pluto's planet status to the definition of life.
By Erin Wayman -
Physics50 years ago, physicists thought they found the W boson. They hadn’t
Fifty years after a false-alarm discovery, physicists have caught the W boson and are using it to unravel mysteries of particle physics.
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PaleontologyHow fossilization preserved a 310-million-year-old horseshoe crab’s brain
A 310-million-year-old horseshoe crab’s brain was preserved in clay, thanks to an uncommon fossilization process that protected the fragile neural tissues.