Archive: 05/6/2013

Oxygen-sensing microrobots

(Phys.org) —When the retina's supply of blood and oxygen runs low, physicians have to react quickly to preserve a patient's eyesight. But up until now there have been no methods sensitive enough to measure ...

May 06, 2013
not rated yet 0 | with audio podcast

Study sheds light on Earth's early mantle

(Phys.org) —An international team of researchers, led by scientists at Boston University's Department of Earth and Environment, has found evidence that material contained in young oceanic lava flows originated ...

May 06, 2013
4.3 / 5 (4) 0 | with audio podcast

Hong Kong risks losing its pink dolphin

Conservationists warned Monday that Hong Kong may lose its rare Chinese white dolphins, also known as pink dolphins for their unique colour, unless it takes urgent action against pollution and other threats.

May 06, 2013
4 / 5 (3) 0

Microwave oven cooks up solar cell material

University of Utah metallurgists used an old microwave oven to produce a nanocrystal semiconductor rapidly using cheap, abundant and less toxic metals than other semiconductors. They hope it will be used ...

May 06, 2013
4.5 / 5 (14) 1 | with audio podcast

Rising sea levels threaten migratory birds

Millions of birds that stop at coastal wetlands during annual migrations could die as rising sea levels and land reclamation wipe out their feeding grounds, researchers warned Monday.

May 06, 2013
4 / 5 (4) 1