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Showing stories 201-225 out of 575 stories.
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7-Oct-2010
Planting 2 types of corn pays off for farmers
Genetically modified corn plants can kill insect pests and reduce damage to other neighboring crops as well -- but farmers who plant both types of corn at the same time save the most money, researchers say.

Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science

30-Sep-2010
Penguin fossil paints portrait of ancient feathers
The fossil feathers of a 35-million-year-old penguin found in Peru give clues to how these plump birds got some of their modern features, a new study reports.

Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science

23-Sep-2010
Florida panther population saved by cats from Texas
In 1995, the population of Florida panthers had dwindled all the way down to just 20 or 25 unhealthy adults. As their numbers decreased, Florida's panther population became more and more inbred, which caused many health problems in the wild cats, including heart defects, low sperm quality, low testosterone levels, low reproduction rates and lots of parasites.

Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science

16-Sep-2010
Grub-on-a-stick: Crafty crows use tools for nutritious snacking
For New Caledonian crows, using sticks to dislodge beetle grubs from rotting tree trunks takes a lot of time and practice, but the payoff is that the grubs are extremely nutritious, scientists report.

Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science

9-Sep-2010
The human brain -- from childhood to adulthood
Have you ever wondered how the human brain grows and changes as people get older?

Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science

2-Sep-2010
Portrait of an exploded star
It's almost time for school pictures again, and almost time for your parents to coo and carry on about how much you've grown since last year. If you think they make a big deal over those pictures, imagine how they would feel if their "baby" was an exploded star. And they hadn't seen a picture of it in more than six years!

Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science

26-Aug-2010
When plants cry for help, predator bugs answer
Some plants have a really clever method for protecting themselves against pests. When caterpillars start nibbling on wild tobacco plants, their saliva cues a "help me!" signal from the plants that brings predatory insects flying in to the rescue, a new study shows.

Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science

19-Aug-2010
The long-distance voyage of plastic
If you took a boat ride from Bermuda, heading east toward the middle of the Atlantic ocean, you'd start to see little bits of white and colored stuff floating alongside. This stuff is plastic.

Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science

12-Aug-2010
Gamma rays from a nova explosion greet astronomers with surprise
Recent observations from a telescope in orbit around Earth have detected gamma rays coming from a nova explosion on a distant star system, known as V407 Cygni. Experts say that this is a surprising discovery because scientists have expected to observe x-rays, instead of gamma rays, coming from similar nova explosions.

Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science

5-Aug-2010
White-nose disease a serious problem for bats -- how can kids help?
The little brown myotis, which was once one of most common bat species in North America, may be extinct in the northeastern United States within the next 16 to 20 years or so, due to a disease called White-Nose Syndrome, according to a study in the Aug. 6 issue of the journal Science.

Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science

29-Jul-2010
Spider silk's real-life superpowers
When you look at a spider web, you might admire its delicate beauty, but don't let appearances deceive you. That web is made of an incredibly tough material -- silk!

Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science

22-Jul-2010
How exploding moss launches its spores
When Sphagnum moss spores explode out of their capsules, they reach more than 10 centimeters in the air, thanks to tiny mushroom clouds that help drive the spores upward, scientists have found.

Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science

15-Jul-2010
Gobies gobble up the jellies
Since the 1960s, the Benguela ecosystem off the coast of Namibia has experienced the collapse of the sardine fishery and a takeover by jellyfish and microbes. Surprisingly, a fish called the bearded goby has thrived in these conditions, partially fixing the food chain in this ecosystem, an international team of scientists explains in the in the July 16 issue of the journal Science.

Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science

8-Jul-2010
Why some fireflies flash in sync
At the beginning of summer in the US Smoky Mountains, male Photinus carolinus fireflies put on an unusual show for females of their species, repeatedly lighting up the night sky as they flash unison.

Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science

1-Jul-2010
Genes help Tibetans breathe easy on the 'roof of the world'
The area of the Himalayas that includes Tibet and Mount Everest is the highest region of the world. It's so high that the air contains less oxygen than it does at sea level, and when lowlanders travel there, they often run into trouble because their bodies are starving for more oxygen.

Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science

24-Jun-2010
The human sense of touch: More than just a feeling
Have you ever thought about where the expression "having a rough day" came from? Well, a group of researchers has just performed a study that links our physical feelings -- like touching a rough object -- to our unconscious thoughts and behaviors. According to the study's results, the feeling of a rough object can actually inspire feelings of difficulty in our minds as well.

Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science

17-Jun-2010
What's climate change doing to the oceans?
When you hear the expression "global warming" you might think about the air getting warmer. But, climate affects the ocean too and the creatures living in it.

Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science

10-Jun-2010
Warm-blooded giants of the ancient seas?
Some of the giant reptiles that ruled the ocean food chain during the time of the dinosaurs may have been able to control their own body temperatures, a new study suggests. These reptiles probably had high metabolic rates, which helped them dive deep and swim fast over large distances to catch their prey.

Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science

3-Jun-2010
A bug's life, the cricket version
Most of what scientists know about how insects behave is from studies that take place in the laboratory. To learn about bug life in the wild, a research team set up a network of motion-sensitive, infrared-equipped cameras and microphones in a field that a population of wild crickets calls home.

Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science

27-May-2010
What exactly is 'fair'?
A new study suggests that young children are content to divide money up equally among members of a group, but as those children get older, their sense of fairness changes -- and they start thinking that the people who do the most work should get the most money.

Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science

20-May-2010
Reeling in illegal fishing
Many sea ports around the world have continued to let ships carrying illegally caught fish into their harbors, even though they have signed agreements to turn those boats away. This illegal, unreported, and unregulated fishing -- known as IUU fishing -- is damaging to the world's sustainable fishing industry, and with a full 80 percent of the world's marine fish stocks already tapped out or over-fished, researchers agree that IUU fishing has become a major concern.

Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science

13-May-2010
No flap: Earliest birds were poor flyers
The ancient birds Archaeopteryx and Confuciusornis weren't flapping flyers and were gliders at best, according to a new study of the birds' fossil feathers.

Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science

6-May-2010
Cosmic clues, buried in the Antarctic snow
Researchers have found two micrometeorites -- tiny particles that fell to Earth from space -- preserved in the cold snow of Antarctica, and they say that their discovery could provide clues about how our solar system formed long ago. The micrometeorites, known as particles 19 and 119, were found near the center of the icy continent, buried in 40- to 55-year-old snow.

Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science

29-Apr-2010
Chance encounter with fungus made aphids colorful
Tiny insects called pea aphids are the first animals known to make their own pigments, called "carotenoids," scientists have discovered. Other animals, including humans, don't make our own carotenoids. We have to get them from the food we eat.

Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science

22-Apr-2010
Predicting the Asian monsoon
The weather system known as the Asian monsoon affects more than half of the people on Earth, making it perhaps the most important seasonal weather system in the entire world. But, without long-term climate data, researchers don't know much about the monsoon's true nature.

Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science

Showing stories 201-225 out of 575 stories.
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Funding provided by the William T. Golden Endowment Fund for Program Innovation at AAAS.