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Category Science & Technology

Compound found to safely counter deadly bird flu

December 28, 2009

The specter of a drug-resistant form of the deadly H5N1 avian influenza is a nightmare to keep public-health officials awake at night.

Depression saps endurance of the brain’s reward circuitry

December 28, 2009

A new study at the University of Wisconsin–Madison suggests that depressed patients are unable to sustain activity in brain areas related to positive emotion.

Dental delight! Tooth of sea urchin shows formation of biominerals

December 21, 2009

Some of the most common minerals in biology, including those in bones and shells, have a mysterious structure: Their crystals are positioned in the same orientation, making them behave as one giant crystal, even though they do not look like a faceted crystal.

Surveying bird biodiversity from space?

December 16, 2009

A fundamental rule of wildlife ecology says that diverse habitats foster greater biodiversity: The Amazon has far more species than Greenland. But how do habitat and biodiversity relate in a state like Wisconsin, with its range of farms, forests, wetlands, cities, suburbs and highways?

New structure could produce efficient semiconductor laser sources

December 14, 2009

University of Wisconsin–Madison researchers have achieved a nanoscale laser structure they anticipate will produce semiconductor lasers in the next two years that are more than twice as efficient as current continuous-wave lasers emitting in the mid-infrared.

Greenhouse gas carbon dioxide ramps up aspen growth

December 4, 2009

The rising level of atmospheric carbon dioxide may be fueling more than climate change. It could also be making some trees grow like crazy.

Curiosities: Is it true that laughing is good for your health?

November 24, 2009

Indeed, says Robert McGrath, a clinical psychologist specializing in mind/body wellness at University Health Services at the University of Wisconsin–Madison, and for many reasons. “Humor…

Like humans, ants use bacteria to make their gardens grow

November 19, 2009

Leaf-cutter ants, which cultivate fungus for food, have many remarkable qualities.

Sweet corn story begins in UW–Madison lab

November 19, 2009

This week, scientists are revealing the genetic instructions inside corn, one of the big three cereal crops. Corn, or maize, has one of the most complex sequences of DNA ever analyzed, says University of Wisconsin–Madison genomicist David Schwartz, who was one of more than 100 authors in the article in the journal Science.