Controlling destructive locusts by manipulating their genetics

(Phys.org) —In 1921, a Russian entomologist named Boris Uvarov made a curious discovery. He noticed that a single species of grasshopper could transform its appearance and behavior, depending on its population density. ...

SpaceX Grasshopper takes a leap into a 'ring of fire'

Last week, SpaceX's Grasshopper took its highest leap ever, doubling its past flights. On March 7, 2013, the vertical and takeoff and landing (VTVL) vehicle, rose 24 stories or 80.1 meters (262.8 feet), hovered for approximately ...

Plants do communicate—and kin relationship has a bearing

If you're a sagebrush and your nearby kin is being eaten by a grasshopper, deer, jackrabbit, caterpillar or other predator, it's good to be closely related. Through volatile (chemical) cues, your kin will inform you of the ...

Grasshoppers change their tune to stay tuned over traffic noise

Grasshoppers are having to change their song – one of the iconic sounds of summer – to make themselves heard above the din of road traffic, ecologists have discovered. The study, published in the British Ecological Society's ...

SpaceX's 10-story reuseable Grasshopper rocket takes a bigger hop

SpaceX is developing the "Grasshopper" reusable vertical takeoff, vertical landing rocket. Back in September, the 32-meter- (106-ft-) tall Grasshopper made a tiny hop – barely lifting off the pad just to test-fire its engines. ...

Images of 300 million-year-old insects revealed

(Phys.org)—Writing in the journal PLoS One, the scientists have used a high resolution form of CT scanning to reconstruct two 305-million year old juvenile insects. Without the pioneering approach to imaging, these tiny ...

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