Researchers compile ethnopharmacology of genus Veronicastrum

The genus Veronicastrum (Plantaginaceae) has about 20 species in the world with a distribution in eastern Asia and North America. Species in the genus Veronicastrum are beautiful perennial herbs with mostly alternate leaves, ...

'Virtual pillars' separate and sort blood-based nanoparticles

Engineers at Duke University have developed a device that uses sound waves to separate and sort the tiniest particles found in blood in a matter of minutes. The technology is based on a concept called "virtual pillars" and ...

Cocaine synthesized in a tobacco plant

A team of researchers at the Chinese Academy of Sciences, working with a colleague from Syngenta Jealott's Hill International Research Centre in the U.K., has developed a way to synthesize cocaine using a tobacco plant. The ...

Mapping the future of micromotors

It's the stuff of cartoons and movies: a team of scientists shrinks down and flies a ship the size of a blood vessel through tissue and sinew to the site of injury or disease. They directly repair or attack the site—whatever ...

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