Tunable antenna could end dropped cell phone calls

(Phys.org) —Why do cell phones drop calls? Like a radio dial tuned to different frequencies (stations), cell phone antennas have tuning circuits that quickly switch frequencies when controlled by a voltage applied to a ...

Robo Raven: Robotic bird that harvests solar energy (w/ video)

(Phys.org) —Small robotic birds are showing lots of promise for tasks such as monitoring the environment and conducting surveillance. But one current drawback they have is the amount of time they are able to stay aloft. ...

Separating the good from the bad in bacteria

There are good bacteria and there are bad bacteria—and sometimes both coexist within the same species. Take, for instance, Pseudomonas aeruginosa, a microbe common in soil and water. This bacterium has been found to colonize ...

Chimpanzees: Alarm calls with intent?

Major research led by University of York scientists has discovered remarkable similarities between the production of vocalisations of wild chimpanzees and human language.

As chimpanzees grow, so does yawn contagion

As sanctuary-kept chimpanzees grow from infant to juvenile, they develop increased susceptibility to human yawn contagion, possibility due to their increasing ability to empathize, says a study published October 16, 2013, ...

Women scientists, Wikipedia under microscope in US

Look up a female scientist or technologist on Wikipedia, and you might not find what you're looking for. Many don't have detailed pages or any page at all on the free online encyclopedia created by contributors, the vast ...

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