News tagged with science observations

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Radar images of asteroid 2005 WK4

(Phys.org) —A collage of radar images of near-Earth asteroid 2005 WK4 was generated by NASA scientists using the 230-foot (70-meter) Deep Space Network antenna at Goldstone, Calif., on Aug. 8, 2013.

Aug 22, 2013
5 / 5 (2) 1 | with audio podcast

Scientists relate urban population to air pollution

(Phys.org) —Live in a large city like New York, London, Beijing or Mumbai, and you are likely exposed to more air pollution than people in smaller cities in surrounding areas. But exactly how a city's pollution ...

Aug 19, 2013
4.5 / 5 (2) 1 | with audio podcast

Amazon plant growth detectable at last

Until recently it was impossible to carry out large-scale measurements of photochemical activity in the tropical rainforest and therefore draw conclusions on the subject. A chance success – a measurement ...

Jun 05, 2013
5 / 5 (2) 0