News tagged with oxygen levels

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Raising giant insects to unravel ancient oxygen

The giant dragonflies of ancient Earth with wingspans of up to 70 centimeters (28 inches) are generally attributed to higher oxygen atmospheric levels in the atmosphere in the past. New experiments in raising modern insects ...

Oct 29, 2010
4.5 / 5 (15) 7 | with audio podcast

Let me hear your heart beat

(PhysOrg.com) -- What if monitoring your heart rate were as easy as listening to music while you jog? Thanks to advances in space technology, an iPhone will soon be able to do double duty: keep you in tune ...

Oct 25, 2010
5 / 5 (2) 1