Archive: 12/4/2006

Cities change the songs of birds

By studying the songs of a bird species that has succeeded in adapting to urban life, researchers have gained insight into the kinds of environmental pressures that influence where particular songbirds thrive, and the specific ...

Dec 04, 2006
3.3 / 5 (4) 0

Smashing the time it takes to repair our bones

New research by Queensland University of Technology is helping scientists better understand how bone cells work and may one day lead to the development of technology that can speed up the time it takes to heal fractured and ...

Dec 04, 2006
2.5 / 5 (2) 0

Why do males and females of some species look so different?

Why and how do males and females of the same species often look so different? Armin Mocsek (Indiana University) has shown that in a certain group of insects, sex-differences in appearance are not the product ...

Dec 04, 2006
2.6 / 5 (5) 0

New biosensors from the blood of llamas

An unusual protein found in the blood of llamas has enabled scientists to develop a quick, simple method for making antibodies that could be used in a new generation of biosensors. The biosensors could detect deliberate environmental ...

Dec 04, 2006
2 / 5 (1) 0

Unprecedented efficiency in producing hydrogen from water

Scientists are reporting a major advance in technology for water photooxidation �using sunlight to produce clean-burning hydrogen fuel from ordinary water. Michael Gratzel and colleagues in Switzerland note that nature ...

Dec 04, 2006
4.2 / 5 (26) 0

Vanishing beetle horns have surprise function

The function of horned beetles' wild protrusions has been a matter of some consternation for biologists. Digging seemed plausible; combat and mate selection, more likely. Even Charles Darwin once weighed in ...

Dec 04, 2006
3.5 / 5 (13) 0

Ray Charles really did have that swing

Ray Charles was really good at snapping, said musical acoustician Kenneth Lindsay of Southern Oregon University in Ashland. Charles's snaps that open "It Don't Mean a Thing (If It Ain't Got That Swing)" are timed so well ...

Dec 04, 2006
2.9 / 5 (7) 0