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Tuesday, April 3, 2012

ScienceDaily: Strange Science News

ScienceDaily: Strange Science News


Sparrows change their tune to be heard in noisy cities

Posted: 02 Apr 2012 01:27 PM PDT

Sparrows have changed their tune to soar above the increasing cacophony of car horns and engine rumbles. The study compares birdsongs from as far back as 1969 to today. The researchers also detail how San Francisco's streets have grown noisier based on studies from 1974 and 2008.

Self-sculpting sand: Heaps of 'smart sand’ could assume any shape, form new tools or duplicatie broken parts

Posted: 02 Apr 2012 08:30 AM PDT

New algorithms could enable heaps of "smart sand" that can assume any shape, allowing spontaneous formation of new tools or duplication of broken mechanical parts.

Too dog tired to avoid danger: Like humans, dogs engage in riskier behaviors when their self-control is depleted

Posted: 02 Apr 2012 06:39 AM PDT

Like humans, dogs engage in riskier behaviors when their self-control is depleted.

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