Archive: 04/14/2011

Microtechnology: Miniature magnetic switches

Transistors are commonly used in electronics as switches to turn an electrical current on or off. For applications that require a very large ratio between the on and off current, however, it is necessary to ...

Apr 14, 2011
5 / 5 (2) 0

New hope for survival for elusive Saola

Indochina’s elusive saola, a recently discovered and critically endangered relative of antelopes and cattle, now has new hope for survival with the establishment of a dedicated nature reserve in the province ...

Apr 14, 2011
4 / 5 (1) 0

Asteroid observing alert

A newly discovered asteroid could provide one of the best recent viewing opportunities for amateur astronomers, according to the British Astronomical Association. “This is the best NEO close approach thes ...

Apr 14, 2011
5 / 5 (1) 2

Humans not always to blame for rarity

(PhysOrg.com) -- New research shows people may not be responsible for the rarity of a native tree species – a finding that could change how conservation is approached.

Apr 14, 2011
3 / 5 (1) 0

Historical context guides language development

Not only do we humans enjoy talking -- and talking a lot -- we also do so in very different ways: about 6,000 languages are spoken today worldwide. How this wealth of expression developed, however, largely remains a mystery. ...

Apr 14, 2011
4.2 / 5 (5) 3 | with audio podcast

Biosensors: Sweet and simple

Surface-enhanced Raman spectroscopy (SERS) is a highly sensitive and versatile analytical tool that is widely used in biosensing applications. In conventional Raman spectroscopy, molecules are detected by ...

Apr 14, 2011
4.7 / 5 (3) 0