Science and Technology

Thu, 11/12/2009 - 00:50 By DeLene

Projectile weapons and carnivores

Posted in Science and Technology

On Tuesday, October 20, Duke University paleontologist Steven Churchill gave a talk at Sigma Xi in Research Triangle Park about how projectile weapons literally changed the trajectory of human evolution — and caused the extinction of Europe’s large carnivore guild.

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Tags: Anthropology; Evolution 0 Comments
Tue, 11/10/2009 - 14:42 By DeLene

Urban farming grows food and nourishes minds, social justice

Posted in Science and Technology

Inner-city “concrete jungles” are starting to look more like real jungles thanks to urban farms. Under the tutelage of former Miami Hurricanes basketball star Will Allen, a growing cadre of city-farmers are growing their own food on rooftops, next to industrial railroads, on old baseball fields and even on abandoned concrete pads in downtown Chicago. 

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Tags: agriculture; urban farms; environment 0 Comments
Thu, 11/05/2009 - 18:56 By DeLene

Lovin' the numbers

Posted in Science and Technology

After a few minutes of listening to Amory B. Lovins you see that, at heart, he’s a numbers guy. He even counts the fruit yield from tropical trees growing inside his energy efficient greenhouse-warmth-capturing home in Colorado, and he fondly refers to the current batch as “banana crop number 32.” 

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Tags: Sustainability, Local science talks, Energy 0 Comments