Monday, 28 May, 2012
This Week: Scraps of ancient textiles found
In the News: Skyscrapers: Engineering Challenge
Scraps of ancient textiles found
New discovery is evidence for first spinning of fibers
Flax, the basis for linen, was spun and dyed, and lost in the mud. More than 30,000 years later, microscopic flax fibers provide the first cord in archeological history. More »
Pitching the biomechanics
Adding science to the art of throwing a baseball
The fate of baseball teams valued at hundreds of millions of dollars and followed by millions of rabid fans can come down to the elbow ligaments of a handful of young men who can throw a ball nearly 100 mph. But that doesn’t mean the best science guides their training. More »
Science Teachers: Hip yourself to a great resource!
Teaching the science standards? Looking for extra-credit projects?
Cooperation: It’s in the bird’s brain!
To this wren, "my song" = "our song"
Plain-tailed wrens in the Andean cloud forest sing a complex, two-part song, where timing is everything. New research shows that both parties keep a memory of the full song in their brain, even though they only sing half of it. More »
In The News
Tracking fracking: U.S. proposes mandatory lists of chemicals
A high-pressure technique to break rocks caused an explosion of natural gas production -- and alarming reports of groundwater pollution. How does fracking work? Can it be done safely?
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Junior Seau kills himself; famed linebacker, 43, was second veteran NFL suicide in 2 months. Was it due to brain damage?
Impacts and concussions can cause long-lasting, even permanent brain damage. Millions of Americans have traumatic brain injuries. Could experimental techniques help mice and people?
More »
First time: Wild whooping cranes hatches in Wis. refuge!
Refuge is site of effort to use ultralight aircraft to guide crane chicks toward Florida wintering grounds. Dangers remain, but it's a step ahead for Americas' largest flying bird, once reduced to 21 animals.
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World Trade Center again tallest building in New York!
What did the losing World Trade designs look like? What is the significance of a city skyline?
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Mass murderer on trial in Norway. What explains these killings?
Why do mass killers pull the trigger? What are the warning signs of "rampage" shootings?
More »
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