23/10/2008

Origin of root offshoots revealed

VIB researchers at Ghent University (Belgium) have discovered the substance that governs the formation of root offshoots in plants, and how it works. Root offshoots are vitally important for plants – and for farmers. Plants ...

The Case of the Missing Gamma-ray Bursts

Gamma-ray bursts are by far the brightest and most powerful explosions in the Universe, second only to the Big Bang itself. So it might seem a bit surprising that a group of them has gone missing.

Protein compass guides amoebas toward their prey

(PhysOrg.com) -- Amoebas glide toward their prey with the help of a protein switch that controls a molecular compass, biologists at the University of California, San Diego have discovered.

Chemists Devise Devises Self Assembling 'Organic Wire'

(PhysOrg.com) -- From pacemakers constructed of materials that so closely mimic human tissues that a patient's body can't discern the difference to devices that bypass injured spinal cords to restore movement to paralyzed ...

Female plant 'communicates' rejection or acceptance of male

(PhysOrg.com) -- Without eyes or ears, plants must rely on the interaction of molecules to determine appropriate mating partners and avoid inbreeding. In a new study, University of Missouri researchers have identified pollen ...

Civic education conducive to a more democratic America

Successful democracies depend on an informed, thoughtful, and engaged electorate. However, social scientific research shows the American electorate to be poorly informed and often disengaged. In an article in the 2008 Yearbook ...

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