Began in the 1970s as an experimental city and urban laboratory, Arcosanti continues it's mission today by proposing an alternative to urban sprawl. Arcosanti seeks to give the urban system a boundary, keeping the natural countryside in close proximity to its urban dwellers. Located in the high desert of Arizona, just 70 miles north of Phoenix, Arcosanti will house 5,000 residents and will occupy only 25 acres of a 4060-acre land preserve when complete.
Sep. 21, 2016 If you chop a magnet in half, you end up with two smaller magnets. Both the original and the new magnets have “north” and “south” poles. But what if single north and south poles exist, just ... read more
Sep. 20, 2016 Habitat degradation poses a greater risk to the survival of turtles and tortoises than rising global temperatures, according to new research. More than 60 per cent are listed as vulnerable, ... read more
Sep. 20, 2016 Every plant and animal has a unique genetic composition, which makes a lake like a bowl of DNA soup—every spoonful contains the combined DNA of the lake’s inhabitants. Scientists have only ... read more
Sep. 22, 2016 As solar cells produce a greater proportion of total electric power, a fundamental limitation remains: the dark of night when solar cells go to sleep. Lithium-ion batteries ... read more
Sep. 22, 2016 Trophy hunters can play an important role in lion conservation, researchers have shown. These findings may surprise the public, but most lion conservationists think trophy ... read more
Sep. 18, 2015 A new study using a new method for calculating urban heat island intensities clarifies the conflict on whether urban density or sprawl amplify these effects more. It also provides a ranking of the ... read more
Aug. 6, 2012 Tree cover in the nation's Lower 48 states covers 659 million acres, more than one-third of the nation, according to a US Forest Service study of national tree cover and impervious surfaces. New ... read more