26/11/2009

Whiteflies sabotage alarm system of plant in distress

(PhysOrg.com) -- When spider mites attack a bean plant, the plant responds by producing odours which attract predatory mites. These predatory mites then exterminate the spider mite population, thus acting as a type of 'bodyguard' ...

The goal of robot hockey: to become better engineers (w/ Video)

(PhysOrg.com) -- It may be a long time before we see robots shooting pucks and making saves in professional hockey, but second-year mechanical engineering students at the University of Alberta put some pretty impressive players ...

Musical robots perform duets (w/ Video)

(PhysOrg.com) -- A flute playing robot unveiled by Waseda University last year has been joined by a robot saxophonist in a Classical music duet. The aim of the project was to design robots that could respond to each other's ...

RNA on the move

In the fruit fly Drosophila, oskar mRNA, which is involved in defining the animal’s body axes, is produced in the nuclei of nurse cells neighbouring the oocyte, and must be transported to the oocyte and along its entire ...

Obama to plead US case at global warming summit

(AP) -- President Barack Obama will commit the United States to substantial cuts in greenhouse gas pollution over the next decade - despite resistance in Congress over higher costs - when he travels to a major climate conference ...

Tips to keep iPhone battery going strong

In talking with my iPhone-using friends, we often seem to bring up how to squeeze the most life from the iPhone's "nonreplaceable" battery.

Sony optimistic on 3-D TVs, in-house display

(AP) -- A third to a half of the Sony Corp. TV sets sold annually will be packed with 3-D features by the year ending March 2013, a senior executive said Thursday.

Invading camels to be shot in Australian town

(AP) -- Australian authorities plan to corral about 6,000 wild camels with helicopters and gun them down after they overran a small Outback town in search of water, trampling fences, smashing tanks and contaminating supplies.

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