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Tag Archives: Puzzling

The Physics of a Puzzling Perpetual Motion Machine

[embedded content] Perpetual motion—it’s fun to say that. For some people, perpetual motion machines hold the secret to everlasting free energy that will save the world. To them, it’s a machine that is just beyond our grasp. If only we could tweak our design just a little bit, it would ...

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A Mysterious Killer Algae Just Got a Little Less Puzzling

As far as algae goes, Pseudo-nitzschia is an outright menace. It produces a neurotoxin, domoic acid, that works its way up the food chain, building up in shellfish like crabs and clams. And when humans eat those shellfish, the neurotoxin leads to a disorder known as amnesic shellfish poisoning—featuring symptoms ...

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