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In 2011, 7 billion humans and counting
Expect 7 billion humans by October 31, according to experts at the Population Reference Bureau, which released its 2011 World Population Data Sheet on July 27.
July 31, 2011
Insect-like flying machines for surveillance
Scientists are developing tiny aerial vehicles with innovative flapping wings based on those of natural insects. Read more about flying machines.
July 29, 2011
Mining and cancer linked in Appalachia
A July 2011 study finds increased cancer rates near the Coal River Valley mountaintop removal in West Virginia. Read more about mining and cancer.
July 28, 2011
Ancestors may have walked upright four million years ago
Ancient footprints in Tanzania reveal features essential for an upright gait. Read more about our ancestors walking upright earlier than previously believed.
July 27, 2011
A skyscraper + ferris wheel + zoo. Wait…what?
Influx Studio hopes a rare architectural combination of skyscraper, ferris wheel and zoo will inspire Buenos Aires residents to take action that helps wildlife.
July 27, 2011
Why fish farming gets a bad rap in America
In America, fish farming or aquaculture usually elicits a neutral or negative response from people. Why is this? Find out on EarthSky.
July 27, 2011
A tipping point for the spread of ideas?
Researchers say the tipping point where a minority belief becomes the majority opinion is at 10 percent. Read more about this tipping point.
July 27, 2011
Science news: Space Shuttle, Texas evolution, Pluto
This week in science news: Space Shuttle Atlantis era is over, Texas evolution in the classroom, Pluto's new moon, James Webb Telescope, and anthrax.
July 23, 2011
Gonorrhea reaching for superbug status, still
A wily and rapidly evolving strain of gonorrhea is emerging as a globally threatening suberbug. Read more about the resistant strain here.
July 23, 2011
Does optimism help prevent stroke?
On a 16-point scale, each point increase in optimism correlated with a 9 percent reduction in stroke risk, according to a study by the University of Michigan.
July 22, 2011
