March 13, 2013
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Antibiotic resistance poses a catastrophic threat to medicine and could mean patients having minor surgery risk dying from infections that can no longer be treated, Britain’s top health official said on Monday.
Sally Davies, the chief medical officer for England, said global action is needed to fight antibiotic, or antimicrobial, resistance and fill a drug “discovery void” by researching and developing new medicines to treat emerging, mutating infections.
Only a handful of new antibiotics have been developed and brought to market in the past few decades, and it is a race against time to find more, as bacterial infections increasingly evolve into “superbugs” resistant to existing drugs.
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May 27, 2012
aerial collisions, Britain, Britain's rural pastures, cars, colonies of ants, complex algorithmic models, Environment, manifestations of swarm intelligence, murmurations, nature, predators, reaction time, reaction time of under 100 milliseconds, schools of fish, starlings, starlings' aerobatics, starlings' murmurations, swarm, swarm intelligence, swarms of bees, tiny birds' quicksilver reaction, transportation, travel, UK, vacation
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Here is something beautiful!
No one knows why they do it. Yet each fall, thousands of starlings dance in the twilight above England and Scotland. The birds gather in shape-shifting flocks called murmurations, having migrated in the millions from Russia and Scandinavia to escape winter’s frigid bite. Scientists aren’t sure how they do it, either. The starlings’ murmurations are manifestations of swarm intelligence, which in different contexts is practiced by schools of fish, swarms of bees and colonies of ants. As far as I am aware, even complex algorithmic models haven’t yet explained the starlings’ aerobatics, which rely on the tiny birds’ quicksilver reaction time of under 100 milliseconds to avoid aerial collisions-and predators-in the giant flock.
Despite their tour de force in the dusky sky, starlings have declined significantly in the UK in recent years, perhaps because of a decline in suitable nesting sites. The birds still roost in several of Britain’s rural pastures, however, settling down to sleep (and chatter) after their evening ballet.
Two young ladies were out for a late afternoon canoe ride and fortunately one of them remembered to bring her video camera. What they saw was a wonderful murmuration display, caught in the short video – URL is below. Watch the variation of color and intensity of the patterns that the birds make in proximity to one other. And take a look at the girl in the bow of the canoe watching the aerial display. Enjoy.
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