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We summarize the week's scientific breakthroughs every Thursday.

  1. Astronomy

    A new black hole image reveals the behemoth’s magnetic fields

    A new analysis of Event Horizon Telescope data from 2017 brings to light the magnetic fields twisted around the black hole at the core of galaxy M87.

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  2. Animals

    Cone snail venom may trick mate-seeking worms into becoming meals

    Cone snail venom contains worm pheromone mimics, suggesting the chemicals may be used to lure worms during hunting.

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  3. Animals

    A sea slug’s detached head can crawl around and grow a whole new body

    Chopped-up planarians regrow whole bodies from bits and pieces. But a sea slug head can regrow fancier organs such as hearts.

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  4. Animals

    A single male lyrebird can mimic the sound of an entire flock

    The Australian birds, already famous for their impressive song-copying skills, appear to be replicating the sounds of a “mobbing flock” of birds.

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  5. Planetary Science

    Watch real video of Perseverance’s Mars landing

    NASA’s Perseverance rover filmed its own landing on Mars. Here’s that video.

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  6. Tech

    A robot arm toting a Venus flytrap can grab delicate objects

    By attaching electrodes to the plant’s leaves, researchers found a way to snap its traps shut on command.

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  7. Plants

    Rats with poisonous hairdos live surprisingly sociable private lives

    Deadly, swaggering rodents purr and snuggle when they’re with mates and young.

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  8. Animals

    Brown tree snakes use their tails as lassos to climb wide trees

    A never-before-seen climbing technique could inspire the creation of new serpentine robots to navigate difficult terrains.

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  9. Space

    How future spacecraft might handle tricky landings on Venus or Europa

    Scientists are getting inventive with ways to touch down on these worlds, where landers will face obstacles not seen elsewhere in the solar system.

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  10. Space

    Astronomers spotted colliding neutron stars that may have formed a magnetar

    Astronomers may have witnessed the formation of a kind of rapidly spinning, extremely magnetized stellar corpse for the first time.

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  11. Animals

    A face mask may turn up a male wrinkle-faced bat’s sex appeal

    The first-ever scientific observations of a wrinkle-faced bat’s courtship shows that, when flirting, the males raise their white furry face coverings.

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  12. Life

    Monarch caterpillars head-butt each other to fight for scarce food

    Video experiments show that monarch caterpillars turn aggressive when there’s not enough milkweed to go around.

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