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Posts by
Editors of EarthSky
Did humans evolve bigger brains to see at dim latitudes?
Humans living farther from the equator evolved bigger brains. But it doesn't mean that they're smarter - they need bigger brains in order to see in low light.
August 2, 2011
Map of religious forests reveals biodiversity
Oxford scientists are mapping church-owned forests around the world, many sheltering endangered species. Learn more about these religious forests.
August 2, 2011
Swarms of humans likely overwhelmed Neanderthals
Cambridge researchers give evidence of modern humans migrating out of Africa with 10 times the population of Neanderthals in central and western Europe.
August 1, 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
A Trojan asteroid for Earth?
Astronomers have discovered the first known Trojan asteroid orbiting the sun along with Earth.
July 29, 2011
After 10,000 year absence, wildfires have returned to Arctic tundra
The huge stock of carbon contained in tundra could increase atmospheric CO2 drastically, when released by a fire. Read more about wildfires.
July 28, 2011
Aging brains are different in humans and chimps
Evolution of human longevity led to both a large brain and brain shrinkage, compared to chimpanzees, say researchers. Read more on aging brains.
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
New nebula discovered by amateur
An amateur astronomer from Austria helping with the Kepler search for planets like Earth finds a beautiful nebula -- Kronberger 61.
July 26, 2011
Largest, oldest mass of water in universe around a black hole
The cloud of water vapor - 140 trillion times more water than in Earth's oceans - is 12 billion light-years away and surrounds the black hole of quasar.
July 25, 2011
