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  1. Physics

    One-Atom Laser: Trapped atom shoots steady light beam

    A single, ultracold cesium atom sandwiched between two mirrors yields the most orderly beam of laser light ever.

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  2. 19274

    I suggest that we view the results described in this article as indicating that humans frequently act like monkeys, not vice versa. Further, what is being measured as fairness may better be seen as the basis for envy and greed. It is not surprising that monkeys have the ability to display these tendencies, but they […]

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  3. Unfair Trade: Monkeys demand equitable exchanges

    Researchers say they have shown for the first time that a nonhuman species—the brown capuchin monkey—has a sense of what's fair and what's not.