Self-Healing Curved Crystals

In a paper just published in Nature Materials, a team of researchers supported by the National Science Foundation reports having succeeded in creating a defect in the structure of a single-layer crystal simply by inserting an extra particle, and then

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The Return of Scientific Racism

Scientific racism is the proposal of significant, usually cognitive, differences between ethnic groups justified by (usually sketchy) scientific research. Navel-gazing European colonialists, eager to understand their race’s effortless domination of the new world, published many essays speculating about biological causes of

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Sars-like Virus Detected

Health experts are trying to identify a new Sars-like virus that is so far known to have infected two people, one of whom is receiving intensive care in a London hospital. A 49-year-old Qatari man was transported by air ambulance from Doha almost two

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Every Nuclear Explosion Since 1945

Japanese artist Isao Hashimoto has created a beautiful, undeniably scary time-lapse map of the 2053 nuclear explosions which have taken place between 1945 and 1998, beginning with the Manhattan Project’s “Trinity” test near Los Alamos and concluding with Pakistan’s nuclear

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The Dark Side of Thomas Jefferson

With five simple words in the Declaration of Independence—“all men are created equal”—Thomas Jefferson undid Aristotle’s ancient formula, which had governed human affairs until 1776: “From the hour of their birth, some men are marked out for subjection, others for

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