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Showing stories 431-440 out of 600 stories.
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10-Nov-2005
Europe's first farmers
People migrating from the Middle East brought farming techniques to present-day Germany and other parts of central Europe about 7,500 years ago. For years, scientists have been arguing over whether people with European ancestors are closely related to these first farmers. Some scientists say yes. Others say no – and argue instead that people with European roots are closely related to the humans who lived in Europe long before the first farmers showed up.
Contact: Science press package
scipak@aaas.org
American Association for the Advancement of Science
3-Nov-2005
Words versus sentences
It's pretty easy to tell the difference between a word and a sentence. But how your brain works when it reads a word versus how it works when it reads a sentence is still a mystery.
Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science
27-Oct-2005
Trees protected villages from tsunami waves
In India, trees growing along the coastline helped to protect villages from the "walls of water" or tsunami waves that were triggered by a powerful earthquake that struck beneath the Indian Ocean on 26 December 2004, scientists have discovered.
Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science
20-Oct-2005
Logging, a bigger threat to the rainforest than we knew
The amount of land in the Amazon rainforest that's being damaged by human activities is twice as large as we had previously thought, suggests a new study. That's because researchers didn't have a good idea of how much logging was occurring there, until now.
Contact: Science press package
scipak@aaas.org
American Association for the Advancement of Science
14-Oct-2005
National Chemistry Week gets kids excited about chemistry
This year, National Chemistry Week, Oct. 16-22, intends to interest kids in chemistry and expose economically disadvantaged students to new educational opportunities in the laboratory. The theme, "The Joy of Toys," focuses on how chemistry plays an essential part in our everyday lives, especially the inventing and making of toys. National Chemistry Week is an annual event sponsored by the American Chemical Society.
Contact: Judd Ginsberg
202-872-4400
American Chemical Society
13-Oct-2005
Seeing sprites and elves from space
Every year, hundreds of people are killed or injured by lightning. But not all flashes of lightning strike the ground. Red sprites, blue jets and elves are forms of lightning that soar up towards space.
Contact: Erica Rolfe
erica.rolfe@esa.int
European Space Agency
13-Oct-2005
Green ocean machine
The plants in the window, the trees outside and the broccoli in the refrigerator all have ancient ancestors that didn't used to be green. They only "got green" when they captured smaller green creatures that turn sunlight into food. These small green creatures eventually became the green "chloroplasts" that the plants use to capture energy from the sun through the process of photosynthesis.
Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science
12-Oct-2005
Innovative energy savings on display in solar village on National Mall
In advance of the DOE Solar Decathlon, a "solar village"
has taken shape on the National Mall. Solar powered and highly efficient houses from across the country and as far away as Spain, Canada and Puerto
Rico are arriving in Washington, D.C. for the start of the 2005 Solar Decathlon.
Contact: Aaron Bernstein
christopher.powers@go.doe.gov
202-715-1543
DOE/SLAC National Accelerator Laboratory
6-Oct-2005
Great White shark swims laps in the ocean
A great white shark swam across the Indian Ocean twice in nine months. The female shark swam from South Africa to Australia and then back to South Africa, according to a new study.
Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science
29-Sep-2005
Why good grooming matters for birds
Once barn swallows have chosen their mates for the season, the females may not stay faithful if their males don't keep themselves looking sexy, new research shows.
Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science
Showing stories 431-440 out of 600 stories.
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