"Hedgehog" robots hop, tumble in microgravity

Hopping, tumbling and flipping over are not typical maneuvers you would expect from a spacecraft exploring other worlds. Traditional Mars rovers, for example, roll around on wheels, and they can't operate upside-down. But ...

Spiky 'hedgehog particles' for safer paints, fewer VOC emissions

A new process that can sprout microscopic spikes on nearly any type of particle may lead to more environmentally friendly paints and a variety of other innovations. Made by a team of University of Michigan engineers, the ...

In Poland, hedgehogs find a saviour

Too weak to stand on his feet after swallowing poison for garden slugs, Smoky the hedgehog is fighting for his life.

Fossils of tiny, unknown hedgehog identified

Meet perhaps the tiniest hedgehog species ever: Silvacola acares. Its roughly 52-million-year-old fossil remains were recently identified by a University of Colorado Boulder-led team working in British Columbia.

Stem cell progeny tell their parents when to turn on

(Phys.org) —Stem cells switch off and on, sometimes dividing to produce progeny cells and sometimes resting. But scientists don't fully understand what causes the cells to toggle between active and quiet states.

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