Archive: 23/07/2009

Who can cool his body fast? Toucan

(AP) -- The toucan's colorful bill gives new meaning to the phrase cool dude. Indeed, that gigantic schnoz turns out to be a radiator the rain forest dweller uses to lose body heat. The bill of the Toco Toucan makes up about ...

dateJul 23, 2009 in Plants & Animals
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Technology on way to forecasting humanity's needs

Much as meteorologists predict the path and intensity of hurricanes, Indiana University's Alessandro Vespignani believes we will one day predict with unprecedented foresight, specificity and scale such things as the economic ...

dateJul 23, 2009 in Mathematics
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Synchronized swimming of algae

Using high-speed cinematography, scientists at Cambridge University have discovered that individual algal cells can regulate the beating of their flagella in and out of synchrony in a manner that controls their swimming trajectories. ...

dateJul 23, 2009 in Cell & Microbiology
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Monitoring Cancer Cell Changes With Quantum Dots

One of the earliest events that changes a normal cell into a malignant one is known as deoxyribonucleic acid (DNA) hypermethylation, a biochemical alteration that inactivates critical tumor-suppressor genes. A team of investigators ...

dateJul 23, 2009 in Bio & Medicine
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