News tagged with ozone layer

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Study finds unprecedented Arctic ozone loss

(PhysOrg.com) -- A NASA-led study has documented an unprecedented depletion of Earth's protective ozone layer above the Arctic last winter and spring caused by an unusually prolonged period of extremely low ...

Oct 02, 2011
3.8 / 5 (18) 28 | with audio podcast

Is the ozone layer on the road to recovery?

(Phys.org)—Satellites show that the recent ozone hole over Antarctica was the smallest seen in the past decade. Long-term observations also reveal that Earth's ozone has been strengthening following international ...

Feb 10, 2013
4.4 / 5 (14) 8 | with audio podcast

A better device to detect ultraviolet light

Researchers in Japan have developed a new photodiode that can detect in just milliseconds a certain type of high-energy ultraviolet light, called UVC, which is powerful enough to break the bonds of DNA and ...

Oct 04, 2013
4.7 / 5 (6) 0 | with audio podcast

Detecting biomarkers on faraway planets

(Phys.org) —On Earth, life leaves telltale signals in the atmosphere. Photosynthesis is ultimately responsible for the high oxygen levels and the thick ozone layer. Microbes emit methane and nitrous oxide ...

Sep 10, 2013
4.8 / 5 (13) 5 | with audio podcast