Why do guppies jump? The answer is evolutionary (w/ video)

(Phys.org) —If you've owned a pet guppy, you know they often jump out of their tanks. Many a child has asked why the guppy jumped; many a parent has been stumped for an answer. Now a study by University of Maryland biologist ...

Leaping larvae! How do they do that without legs?

Attaching its head to its tail to form a ring, a 3-millimeter larva of the goldenrod gall midge squeezes some internal fluids into its tail section, swelling it and raising the pressure like an inner tube.

Designing ice repellent materials

Materials that actively repel water and ice very strongly are sought after by the aviation industry and for many other technical applications. ETH researchers have now found out how to specifically design the rigid surfaces ...

Sliding metals show fluidlike behavior, new clues to wear

(Phys.org)—Researchers have discovered a swirling fluidlike behavior in a solid piece of metal sliding over another, providing new insights into the mechanisms of wear and generation of machined surfaces that could help ...

Bees show off the perfect landing

(PhysOrg.com) -- Honey bees undergo a sudden transition from speeding aircraft to hovering helicopter as they perform the delicate art of landing on a flower.

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