1876, Angola, NY
1950, New York, NYAlthough the chlorofluorocarbons (CFCs) used in its air conditioners are blamed for the growing hole in the Earth's ozone layer, the Carrier Company was first to produce a chlorine-free, non-ozone-depleting residential air-conditioning system.
Photos: Carrier Corporation
Air Conditioning
An engineer from the Northern U.S. invented the air conditioner, a device that would revolutionize working environments -- and forever change life in the Southern states and other places with hot, humid climates. Read More...
A classic recipe for extreme wildfire risk is shaping up across portions of the southern Plains on Wednesday, coming barely 2½ weeks after the ignition of the largest wildfire in Texas history. The Smokehouse Creek Fire, which has torched approximately 1.06 million acres, is still only 89 percent contained and is squarely in the center of Wednesday’s risk zone.
That could mean rapid spread once again for established wildfires, as well as the sparking and kindling of new infernos. Read More...
Siamese Twins Program Overview
Born joined at the pelvis, Siamese twins Dao and Duan were brought to the United States from Thailand to assess their chances for being separated surgically. NOVA covers the intricate planning and protracted operations that eventually made the two girls into two distinct individuals. ncG1vNJzZmivp6x7sa7SZ6arn1%2BstKO0jqemr5lfqbKir8eeqaxnoKe8qL7ApqpoamJlgqC%2FyJqknquVY7W1ucs%3D