News tagged with oxygen levels

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Discovery of material with amazing properties

Normally a material can be either magnetically or electrically polarized, but not both. Now researchers at the Niels Bohr Institute at the University of Copenhagen have studied a material that is simultaneously ...

Jun 24, 2012
4.7 / 5 (25) 10 | with audio podcast

Atmospheric carbon levels nearing historic threshold

(Phys.org) —For the first time in human history, concentrations of the greenhouse gas carbon dioxide (CO2) could rise above 400 parts per million (ppm) for sustained lengths of time throughout much of the Northern Hemisphere ...

Apr 24, 2013
3.9 / 5 (28) 52

Study shows humans still evolving

(PhysOrg.com) -- A new study published in the Proceedings of the National Academy of Sciences provides evidence of human evolution and rapid genetic changes suggesting that, contrary to modern claims, technological and cu ...

Oct 04, 2011 report
3.5 / 5 (21) 57 | with audio podcast