Archive: 08/25/2008

Stem cells stand up for themselves

Adult stem cells are not pampered pushovers. O'Reilly et al. report that certain stem cells take charge of their surroundings, molding their environment to control their division and differentiation.

Aug 25, 2008
not rated yet 0

System thwarts Internet eavesdropping

The growth of shared Wi-Fi and other wireless computer networks has increased the risk of eavesdropping on Internet communications, but researchers at Carnegie Mellon University's School of Computer Science and College of ...

Aug 25, 2008
4.6 / 5 (16) 0

Why wind turbines can mean death for bats

Power-generating wind turbines have long been recognized as a potentially life-threatening hazard for birds. But at most wind facilities, bats actually die in much greater numbers. Now, researchers reporting in Current Bi ...

Aug 25, 2008
4.1 / 5 (11) 1

How 'secondary' sex characters can drive the origin of species

The ostentatious, sometimes bizarre qualities that improve a creature's chances of finding a mate may also drive the reproductive separation of populations and the evolution of new species, say two Indiana University Bloomington ...

Aug 25, 2008
4.4 / 5 (5) 0

Anti-cancer flower power

Could a substance from the jasmine flower hold the key to an effective new therapy to treat cancer? Prof. Eliezer Flescher of The Sackler Faculty of Medicine, Tel Aviv University thinks so. He and his colleagues have developed ...

Aug 25, 2008
5 / 5 (11) 0

Operating quantum memory at room temperature

Quantum dots, along with quantum wires, have been attracting notice over the past decade as possible building blocks of quantum information processing. Indium arsenide quantum dots (InAs) can be used for memory operations ...

Aug 25, 2008 feature
4.5 / 5 (42) 0

Future for clean energy lies in 'big bang' of evolution

Amid mounting agreement that future clean, "carbon-neutral", energy will rely on efficient conversion of the sun's light energy into fuels and electric power, attention is focusing on one of the most ancient groups of organism, ...

Aug 25, 2008
4.5 / 5 (20) 3
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