14/11/2011

Eradicating cane toads with 'their own medicine'

Sydney University biologists have discovered cane toad tadpoles (Bufo marinus) communicate using chemicals excreted into the water, a finding that may help to impede the Cane Toad invasion of the Kimberley.

Adding up photons with a transition edge sensor

(PhysOrg.com) -- Scientists have demonstrated that a superconducting detector called a transition edge sensor (TES) is capable of counting the number of as many as 1,000 photons in a single pulse of light with an accuracy ...

Berkshire buys 5 pct of IBM, takes other stakes

(AP) -- Warren Buffett said Monday that his company has spent $10.7 billion to buy more than 5 percent of IBM's stock this year, a surprising move by the billionaire investor who has long shied away from investing in high ...

Climate change 'threatens Nile, Limpopo rivers'

Rising global temperatures and shifting rainfall patterns could affect water flows on Africa's mighty Nile and Limpopo rivers, an agricultural research group said Monday.

New technique enables study of 'challenging' proteins

Researchers from Hull, Bristol and Frankfurt have shown that a new technique for identifying molecular structure can be used effectively on small samples of biological proteins, particularly proteins that are targeted for ...

Spinning blood device set to safeguard astronaut health

(PhysOrg.com) -- ESA has begun developing a new blood-testing device for astronauts on the International Space Station. A wide range of ailments from diabetes to heart disease should be diagnosable in moments from a single ...

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