A new study shows that iron-bearing rocks that formed at the ocean floor 3.2 billion years ago carry unmistakable evidence of oxygen.
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Plant Biology: October 2015
Calendar
- 21 Apr: Nomination Hearing - Sen. Bill Nelson
- 22 Apr: What is it about humans that drives us to travel and explore the unknown?
- 23 Apr: Space Liftoff Event
- 23 Apr: Space and Africa: Developments and Cooperation
- 26 Apr: Nobel Prize Summit ‘Our Planet, Our Future’
- 28 Apr: The Americas Space Summit
- 28 Apr: Washington Space Business Roundtable Event: Don Beyer
- 28 Apr: The Military Role in Enabling Communities Beyond Earth
- 30 Apr: Success and Failure on Mars: Mechanics in the Exploration of Space
- 4 May: NASA Glenn Small Business Connection Virtual Meeting
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