6,899 results
6,899 results for: Bears
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- Math
A building of bubbles
Math Trek: The National Aquatics Center in Beijing, newly built for the Olympics, is a glowing cube of bubbles. The mathematics behind it are built around Lord Kelvin's tetrakaidecahedra and the physics of foam.
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Confronting a third crisis in U.S. science education
Is science education broken in the United States? And if so, how should the country fix it? A working group of the President’s Council of Advisors on Science and Technology (PCAST) has been investigating these long-standing questions and is expected to issue a report on its policy recommendations this month. Science News Contributing Editor Alexandra […]
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White House science adviser discusses next two years
Just over a month after the midterm elections, President Obama’s science adviser took the podium in San Francisco at the American Geophysical Union meeting. John Holdren, a physicist and climate scientist, said the White House is making strides in improving the nation’s science and technology policies. Later that week, Holdren’s Office of Science and Technology […]
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Japan crisis may have little effect on U.S. energy policy
Whatever the ultimate repercussions of the Fukushima Daiichi nuclear plant accident in Japan (see Page 6), the crisis raises questions over the role nuclear power should play as an energy source. Michael Levi, head of the energy security and climate change program at the Council on Foreign Relations in New York City, spoke to reporters […]
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Humankind’s destructive streak may be older than the species itself
Some scientists have proposed designating a new geological epoch, the Anthropocene, that would cover the period since humans became the predominant environmental force on the planet. But when would you have it begin? Some geologists argue that the Anthropocene began with the Industrial Revolution, when fossil fuel consumption started influencing climate. Others point back several […]
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- Physics
Catch a Wave
Detection of gravitational waves predicted by Einstein's 1916 general theory of relativity may finally occur, thanks to a new generation of laser-based observatories.
- Anthropology
Cultures of Reason
East Asian and Western cultures may encourage fundamentally different reasoning styles, rather than build on universal processes often deemed necessary for thinking.
- Animals
When Ants Squeak
In the past 20 years, researchers studying sound communication in ants have discovered a sort of ant-ernet, zinging with messages about lost relatives, great food, free rides for hitchhikers, caterpillars in search of ant partners, and impending doom.
- Earth
Climate’s Long-Lost Twin
New geological evidence suggests that humans have started exploiting fossil fuels and altering Earth's atmosphere at precisely the moment when greenhouse gases could do the most damage to climate.
