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  1. Physics

    Brutal Bubbles: Collapsing orbs rip apart atoms

    Spikes of heat and pressure in sonoluminescence caused by the implosions of light-emitting bubbles in liquids can strip atoms of electrons.

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  2. Humans

    Letters from the March 5, 2005, issue of Science News

    Way-up wander? It seems interesting that undersea flows have at least one characteristic different from rivers: “While river floods on land can create natural levees a few meters tall, the levees formed by [undersea] turbidity currents can grow up to 100 m[eters] high” (“Hidden Canyons,” SN: 1/1/05, p. 9). There are several sites on Mars […]

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  3. Math

    Primal Surge

    The Great Internet Mersenne Prime Search has netted its eighth champion.