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Earth breathed first 3 billion years ago!

Last Updated: Monday, March 24, 2014, 23:44

It was generally believed that cyanobacteria, the blue-green algae, that evolved photosynthesis appeared 2.5 billion years ago when the `Great Oxidation Event` (a spike in oxygen levels) happened.

Oxygen may have first accumulated on Earth 3 bln years ago

Last Updated: Thursday, February 20, 2014, 17:48

Oxygen production by photosynthetic cyanobacteria may have initiated as early as three billion years ago, much earlier than previously thought, scientists say.

How oxygen came into existence on earth

Last Updated: Thursday, June 27, 2013, 18:49

One of science`s greatest mysteries is how and when oxygenic photosynthesis-the process responsible for producing oxygen on Earth through the splitting of water molecules-first began.

Global warming affecting lakes worldwide

Last Updated: Tuesday, July 17, 2012, 17:05

Global warming, a major concern for the various water resources of the world, is also causing harm to the globe`s freshwater lakes, a new study has warned.

Global warming spurs spread of toxic bugs: Study

Last Updated: Wednesday, July 04, 2012, 17:26

Global warming may be spurring the spread of Cyanobacteria, one of the most primitive of bugs, while causing them to produce greater amounts of toxins.

NASA`s research could help humans colonize space

Last Updated: Sunday, July 24, 2011, 13:07

NASA is funding a new research project which may help humans move one step closer to colonizing space.