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  1. Tech

    Robot based on cartwheeling caterpillars

    GoQBot curls itself up and takes off spinning.

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  2. Life

    The eyespots have it after all

    New experiments may reconcile conflicting views regarding what makes a peacock’s plumage attractive to females.

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  3. Space

    Atom & Cosmos

    Clearing out space junk with dust, plus new black holes, sonic-boom star birth and more in this week’s news.

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  4. Life

    Teamwork keeps fire ants high and dry

    Scientists get a look at the physics that floats a bug's boat.

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  5. Humans

    Humans

    Soothing loneliness with Facebook, plus mapping crowds and making a good first impression in this week’s news.