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Posts by
Editors of EarthSky
Some types of nanoparticles negatively affect test heart
Researchers found that some commonly used nanoparticles negatively affected the heart rate, rhythm and ECG values of a test heart.
August 3, 2011
Astronomers find 96 new star clusters hidden in Milky Way dust
Astronomers found 96 new star clusters in our Milky Way - the first time so many have been found at once. Each spans light-years and contains 10-20 stars.
August 3, 2011
Crop-circle art created using physics?
A physicist suggests that crop-circle art might be done using GPS, lasers and microwaves to create intricate patterns on farmer's fields.
August 2, 2011
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
