25/02/2010

Apple CEO Jobs favors flexibility of cash hoard

(AP) -- Apple Inc., buoyed by the success of the iPhones, iPods and computers it churns out to breathless buyers, could give some of its $25 billion in cash back to shareholders. But CEO Steve Jobs said Thursday that he ...

Cooperative behavior is for the birds

(PhysOrg.com) -- Cooperative behaviors are rare in the animal kingdom and remain a great enigma for evolutionary biologists. A new study by Frederique Dubois, a professor at the University of Montreal Department of Biology ...

Helping plants fertilize themselves

(PhysOrg.com) -- A BYU researcher helped discover a cellular tool some plants use to fertilize themselves. This fundamental understanding is important in the effort to reduce the 88 million tons of nitrogen fertilizer used ...

First images of 4 new spiny eels

(PhysOrg.com) -- The first images of live individuals of 4 new spiny eels are revealed by a Natural History Museum scientist today.

Nanotechnologists form near-frictionless diamond material

Researchers at the University of Pennsylvania, the University of Wisconsin-Madison and IBM Research-Zürich have fabricated an ultra sharp, diamond-like carbon tip possessing such high strength that it is 3,000 times more ...

Forest Tree Species Diversity Depends on Individual Variation

(PhysOrg.com) -- It's a paradox that's puzzled scientists for a half-century. Models clearly show that the coexistence of competing species depends on those species responding differently to the availability of resources. ...

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