Mar 17, 2010
Posted in Science at 8:50 am by David Bradley -- 9 Comments; add yours
Outside the tropics we experience four seasons – Spring, Summer, Autumn, or Fall, and Winter. These occur because the Earth’s axis about which it rotates once a day is tilted at an angle relative to the Earth’s orbit around the sun. Because the axis always points towards the north star throughout the year, the seasons are cyclical. In the northern hemisphere, when the North Pole points towards the sun, the sun’s light is more directly …
Mar 15, 2010
Posted in Science at 2:25 pm by David Bradley -- 2 Comments; add yours
Science news links for March 12-15, including the latest on my SpectroscopyNOW.com column:
Feverish New World X-ray – X-ray crystallography has allowed US researchers to discover exactly how one type of New World hemorrhagic fever virus latches on to and infects human cells. The work offers a much-needed lead for new treatments.
Marking up childhood obesity – Metabolic fingerprinting has been shown to be a powerful tool for exploring Biomarkers in a range of disorders …
Posted in Science at 1:00 pm by David Bradley -- Click to comment
A good, old-fashioned total synthesis of a natural product caught The Alchemist’s attention this week, as did the notion of spiking the hydrocarbon picene with potassium atoms to turn it into a superconductor.
In a related carbon field, Chinese chemists have broken the rules to crack bucky eggs and US scientists have looked to molecular midwifery to help explain the origins of life.
In environmental news, the tragic story of BPA is told …
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