Environment
Today in history: The first intercontinental radio transmission, 1915
September 29, 2015The demonstration was transmitted from the U.S. naval radio station at Arlington to San Francisco, then a few hours later relayed to Honolulu, for a total of 4900 miles.
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Today in history: A Chinese poem for autumn
September 23, 2015On this first day of autumn, we offer a quiet moment of reflection penned 80 years ago.
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Discrimination affects health for lifetime: Weekly science round up
September 22, 2015Vitamin C, school start time, India's private hospitals, pre-diabetes, physical effects of discrimination.
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Drought turning Golden State’s redwoods brown
September 22, 2015For the first time, there are signs of foliage die-back on sequoia seedlings, a rare and worrying prospect.
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Exciting hominid fossil find in South Africa
September 22, 2015The find will not revolutionize science's ideas of how our species evolved, it gives a more complete picture of the basic pattern and raises interesting questions.
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