Physicists show math behind growth of 'coffee rings'

(Phys.org)—Last year, a team of University of Pennsylvania physicists showed how to undo the "coffee-ring effect," a commonplace occurrence when drops of liquid with suspended particles dry, leaving a ring-shaped stain ...

Rare dolphin species threatened by big fishnets

The long-beaked La Plata River dolphin, a small species living in in South America's Atlantic coastal waters, is increasingly threatened with extinction from big-net fishing, Brazilian researchers warn.

Sundance screens short films on YouTube

YouTube on Friday began online screenings of a selection of short films being showcased at the Sundance Film Festival underway in an enclave in the mountains of Utah.

Central America battles to save coffee from fungus

Central America is scrambling to contain a coffee-eating fungus that has invaded a third of the impoverished region's crops, threatening to cost the vital industry hundreds of millions of dollars.

Capitvated by hoax, US learns about 'catfishing'

A spectacular hoax involving a popular US sportsman's fake dead girlfriend has put a spotlight on a practice known as "catfishing" and raised fresh concerns about news media fact-checking.

Studying ancient Earth's geochemistry

Researchers still have much to learn about the volcanism that shaped our planet's early history. New evidence from a team led by Carnegie's Frances Jenner demonstrates that some of the tectonic processes driving volcanic ...

IEEE 802.11ad approval steps up marketplace WiGig

(Phys.org)—IEEE has adopted a new standard, 802.11ad, which marks the advent of 7Gbps wireless. The newly approved standard will be commercially known as WiGig, and the technology behind WiGig is seen as a step forward ...

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