Robot with frog egg smell sensor (w/ Video)

(PhysOrg.com) -- Researchers from the University of Tokyo have invented a novel means of improving a robot's sense of smell, by using inexpensive olfactory sensors containing frog eggs.

How roots grow hair

The roots of plants can do a lot of things: They grow in length to reach water, they can bend to circumvent stones, and they form fine root hairs enabling them to absorb more nutrients from the soil. A team of researchers ...

DNA nanorobot triggers targeted therapeutic responses

Researchers at the Wyss Institute for Biologically Inspired Engineering at Harvard University have developed a robotic device made from DNA that could potentially seek out specific cell targets within a complex mixture of ...

How botox binds to neurons

Botulinum neurotoxin A, better known as botox, is a highly dangerous toxin that causes paralysis in man that may prove fatal. In cosmetic applications the paralysing action of small doses is used in a specific manner for ...

How heroin works: Imaging opioid receptors in the brain

(Phys.org) -- Researchers and doctors have gleaned new clues to the molecular mechanisms behind some of the most addictive substances in the world, thanks to two new studies that uncovered the structures of some of the most ...

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