Uncategorized
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Life
Hummingbird pulls Top Gun stunts
Male hummingbirds set record for extreme plunges out of the sky.
By Susan Milius -
Space
Galactic black holes may be more massive than thought
The giant black holes at the cores of massive nearby galaxies may be two to four times heftier than estimated.
By Ron Cowen -
Earth
When the Great Lakes were lower
New archaeological evidence shows signs of prehistoric hunting and other human activities on now-submerged portions of Lake Huron.
By Sid Perkins -
Physics
Friction gives snakes a smooth slither
Combination of friction and push propels snakes forward on flat surfaces.
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Humans
Children get social with virtual peers
Life-size 3-D versions of children can draw kids with autism into social encounters and more news from the annual meeting of the Jean Piaget Society in Park City, Utah, June 4-6.
By Bruce Bower -
The iron record of Earth’s oxygen
Scientists are decoding the geological secrets of banded iron formations.
By Sid Perkins -
No brainer behavior
Messages, memory, maybe even intelligence — botanists wrangle over how far plants can go.
By Susan Milius -
Think like a scientist
A class of curious sixth-graders arguing over moist, mucky jars may represent the future of science education.
By Bruce Bower -
Professional Science Master’s is 21st century MBA
One hundred years ago (in 1908), a group of higher educators launched a new professional master’s degree called the MBA. Their aim: to meet the anticipated needs of 20th century business, which would be characterized, they thought, not by product specialty but by bigness. Today, MBA programs graduate about 90,000 students per year and are […]
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Humans
Autism care takes biological toll on mothers
Caring for teens and young adults with autism not only creates intense psychological pressure on mothers but may promote sharply decreased production of a crucial stress hormone, a long-term study suggests.
By Bruce Bower -
Science Future for June 20, 2009
June 26 Attend or watch the webcast of “Iron Science Teacher” at the Exploratorium in San Francisco. Visit www.exploratorium.edu/iron_science July 19–26 Plumb the depths of cave science at the 15th International Congress of Speleology in Kerrville, Texas. Find out more at www.ics2009.us August 10–13 Scientists discuss the largest U.S. waterway at the Visions of a […]
By Science News -
Science Past from the issue of June 20, 1959
Mechanical cow eats grass — A mechanical “cow” has just started work at the British Agricultural Research Council’s experimental station at Rothamsted, near London. Its function is to extract protein from leaves or grass or any suitable vegetation…. Grass or other vegetation is fed into the machine from a normal elevator. After being chopped, the […]
By Science News