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First breathable atmosphere 500 million years ago
Large amounts of oxygen released by ocean plankton made breathable atmosphere on Earth for the first time in history. This happened about 500 million years ago.
March 1, 2011
Male polygamists benefit more than females in reproduction
In the calculus of evolution, your ability to represent, gene-wise, in future generations is your measure of evolutionary fitness. By this calculus, male polygamists rule.
February 28, 2011
In 2001 anthrax mailings, evidence not conclusive
A National Research Council says it isn't possible to reach a definitive conclusion about the origin of deadly anthrax spores, based on the scientific evidence alone.
February 28, 2011
In war against malaria, gene mashup is promising weapon
A mosquito-loving fungus, genetically combined with a scorpion toxin, is a recent and apparently promising weapon in the global struggle against malaria.
February 27, 2011
Earth’s inner core rotates faster than the rest of the planet
A new paper in Nature Geoscience confirms that the Earth's inner core rotates faster than the rest of the planet but slower than previously believed.
February 26, 2011
Jim Cane: Flower pastures for bees
Small fields planted with wildflowers especially to feed bees – called “bee pastures” - could be a way to revive declining bee populations.
February 25, 2011
Wieland Schöllkopf: Small particles of matter sometimes act like light
Proving that quantum reflection exists is a little like demonstrating that a ball which has just fallen off a cliff can bounce back up without hitting the ground at all.
February 25, 2011
Harold Wanless on sea level rise in South Florida
Wanless said that with projected sea level rise of 6 feet - the high end of projections - only 44% of South Florida's developed area would still be above high tide by the end of this century.
February 25, 2011
A 10-year-old explains why 3-D printing is cool
Schuyler St Leger is a 10-year-old who uses 3-D printing and who let an audience of 850 people know that the future belongs to young people's know-how and imagination.
February 24, 2011
Banded sea krait is a swimming, tree-climbing, venomous beauty
The venomous banded sea krait has impressive adaptions for life on land and at sea. But don't ask me about its mating habits. Read more about them.
February 24, 2011
