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Showing stories 376-400 out of 588 stories.
<< < 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 > >>


16-Aug-2007
Mama bird benefits from help
When mother fairy wrens have helpers that share baby-feeding duties, they save their own strength and lay smaller eggs, researchers report.

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

9-Aug-2007
Successful conservation stories from across the globe
A trio of new studies published in Science this week provides examples of successful conservation efforts on three continents.

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

2-Aug-2007
Toddler talk
If you know any toddlers, you've probably wondered what is going on in their heads as they put their (full) bowls on their head at mealtime or run around in circles, shrieking for no apparent reason.

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

26-Jul-2007
Who's watching you?
Research shows that humans switch from selfish to unselfish behavior when they are watched. Do you?

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

19-Jul-2007
Slow rise for the dinosaurs
The Jurassic period, about 200 to 150 million years ago, was the heyday for the dinosaurs, which were the most common land animals during this time. (Does the movie title Jurassic Park ring a bell?)

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

12-Jul-2007
Male butterflies bounce back
About five years ago, on the islands of Samoa, most of the male Hypolimnas bolina butterflies, also known as the Eggfly or Blue Moon butterfly, disappeared. Now, scientists report that the males have made a comeback and are almost as common as females.

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

5-Jul-2007
Frozen DNA tells Greenland's past
About 1,000 years ago the infamous Norseman Erik the Red gave Greenland its name, even though 85 percent of the country is covered in ice. And now, some of that ice is providing us with information about prehistoric life on the arctic island.

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

28-Jun-2007
Kitty's family tree
Housecats around the world can now trace their ancestry back to the Near Eastern wildcat, which today lives in the remote deserts of Israel, Saudi Arabia and other countries in the Middle East.

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

21-Jun-2007
More icebergs are adrift in the Southern Ocean
One of the effects of global warming has been an increase in icebergs breaking off from the Antarctic ice sheet. Oceanographers studying this phenomenon learned that free-drifting Antarctic icebergs can make important positive contributions to the carbon cycle in the Southern Ocean that is so important to a balanced planet, according to a new report.

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

14-Jun-2007
Arctic plants, frequent flyers?
If the climate gets too warm or cold, an animal can walk, fly or swim to a more comfortable habitat. But what about a plant?

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

7-Jun-2007
Changes in logging changes life in Central Africa
Central Africa is known for its dense forests that are some of the most pristine on the planet. They are home to an amazing array of wildlife and even pygmies. But life in this remote area is changing, and not for the better.

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

31-May-2007
Walking lessons from orangutans
In the typical picture of human evolution, a gorilla- or chimp-like ape, dragging its knuckles on the ground, gradually straightens up and turns into a modern human standing on two legs.

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

24-May-2007
The amazing baby brain
If you were watching television with the sound turned off, do you think you could tell what language the actors were speaking in? Babies can, according to new research. At least, they can tell whether a face is speaking their native language or a foreign language.

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

17-May-2007
You won't hear this Nemo on American Idol
While the animated fish Nemo talks, real clownfish aren't ready to appear on the television show American Idol. The real Nemos -- clownfish -- only make "chirps" and "pops." Upon hearing it, Simon would say "that's ghastly."

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

10-May-2007
Bat flight secrets revealed
Scientists have discovered how bats' wing motions help them stay in the air. The research shows that bats and birds use their wings quite differently.

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

3-May-2007
Mercury's core issues
The inside of the tiny planet Mercury has long been a mystery, but scientists have now begun to solve it. A new study shows that the Mercury's core is at least partially liquid, or "molten," just like Earth's core is.

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

26-Apr-2007
Marine snow measured in the twilight zone
Researchers measuring the amount of carbon that passes through the ocean's "twilight zone," found striking differences from two areas in the Pacific Ocean that could have a large effect on calculations of the amount of carbon stored in the deep ocean. An international team of researchers led by Ken Buesseler developed a new tool to accurately measure the carbon in the twilight zone, and used the tool to study the twilight zone near Hawaii and in the northwest Pacific Ocean.

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

19-Apr-2007
Whole lotta shaking goin' on in space
Researchers studied high-resolution photos of the near-Earth asteroid Itokawa and learned that its surface -- which is made up of small grains and boulders -- has been sorted when the asteroid was shaken.

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

12-Apr-2007
New form of information from T. rex and Mastodon fossils
After discovering a giant T. rex leg bone fossil in Montana, back in 2003, a team of scientists had a problem: It wouldn't fit in their helicopter. When they broke the fossil open in order to fit the pieces inside, this led to a shocking discovery.

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

5-Apr-2007
Sizing up man's best friend
Have you ever wondered why dogs come in such diverse sizes? When they are on their hind legs, the toy dogs may just reach up to your knee. The giant dogs can easily push you over and are more than 7 feet tall!

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

29-Mar-2007
Can coral survive in a warmer world?
One likely effect of global warming is that the oceans will absorb more carbon dioxide and become a little more acidic. Humans probably wouldn't notice the change when they went swimming, but it would make a big difference to many corals.

Contact: Science Press Package
scipak@aaas.org
202-326-6657
American Association for the Advancement of Science

22-Mar-2007
Scientists discover the oldest known chunk of Earth's crust
An international team of scientists has found a group of rocks in Greenland that formed as the sea floor split apart 3.8 billion years ago, which means that this is the oldest known chunk of the Earth's crust. But, if it formed on the seafloor, what's it doing in Greenland?

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

15-Mar-2007
Radar reveals Martian Pole's icy underside
A radar instrument took images of Mars' south pole and found very pure water ice and lots of it. There is so much water that if it were spread evenly over the planet it would be about 11 meters thick, or 36 feet deep.

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

8-Mar-2007
Introducing the sala-bot: A salamander-like robot shows how swimmers can be walkers
Around 400 million years ago, vertebrate animals first ventured from the ocean onto land. How did those first fishy explorers figure out how to walk on solid ground? A new salamander-like robot may provide some answers.

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

1-Mar-2007
The mystery of the Thirteen Towers of Chankillo
Thirteen towers march from north to south along the top of a low hill in the coastal Peruvian desert. These towers -- spread over 300 meters -- are part of a fourth-century BCE ceremonial complex in a remote location in Peru's Casma-Sechin River Basin.

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

Showing stories 376-400 out of 588 stories.
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Funding provided by the William T. Golden Endowment Fund for Program Innovation at AAAS.