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Bee tongues get shorter due to climate change
Changing climate has produced an evolutionary change in flower types and distribution and bees have responded to the change by developing shorter tongues. Nicole E. Miller-Struttmann with the Biological Sciences Department at State University of New York College at Old Westbury and colleagues from...
Georgia Tech engineers create first working optical rectenna
Baratunde Cola, an associate professor in the George W. Woodruff School of Mechanical Engineering at Georgia Tech, and colleagues are the first to develop a working prototype that can convert solar energy into direct current. The device called an optical rectenna has the potential...
New study finds the plague to be at least 6,000 years old
An analysis of the teeth of people from Bronze Age Europe and Asia has shown that the plague or more formally the bacterium that causes the disease, Yersinia pestis, evolved to be a massive killer at least 3,500 years earlier than previously thought. Eske...
DNA study connects all Native Americans to an ancient common ancestor
The DNA of two very young immigrants to the Americas from China and Russia not only explains the lack of genetic diversity among all Native Americans but also points to a common ancestor for every Native American. University of Utah anthropology professor Dennis O'Rourke...
Seismologists find how earthquakes are transmitted
An earthquake in the Indian Ocean may have triggered a series of events that led to the earthquake and tsunami that produced the Fukushima disaster. Andrew A. Delorey from the Los Alamos National Laboratory and colleagues are the first to provide coherent evidence that...
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How-to keep your toddler safe in 3-feet of snow
How to keep your toddler safe in 3-feet of snow may seem fairly easy until you consider the snow is deeper than your child is tall. Playing in the snow may seem irresistible, but if the snow is not solid enough and you set...
Offbeat: Universal features of music around the world —
Is music really a "universal language"? Two articles in the most recent issue of Science support the idea that music all around the globe shares important commonalities, despite many differences. Researchers led by Samuel Mehr at Harvard University have undertaken a large-scale analysis...
Offbeat: The difference between an expert’s brain and a novice’s —
When mice learn to do a new task, their brain activities change over time as they advance from 'novice' to 'expert.' The changes are reflected in the wiring of cell circuits and activities of neurons.
Using a two-photon imaging microscope and a wealth of...