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Poll: Big Bang a big question for most Americans

April 21, 2014 4:21 am | by Jennifer Agiesta - Associated Press - Associated Press | News | Comments

Few Americans question that smoking causes cancer. But they express bigger doubts as concepts that scientists consider to be truths get further from our own experiences and the present time, an Associated Press-GfK poll found. Americans have more skepticism than confidence in global warming, the age of the Earth and evolution and have the most trouble believing a Big Bang created the universe 13.8 billion years ago.

Scientists produce thinnest feasible membrane

April 18, 2014 3:10 pm | by Fabio Bergamin, ETH Zurich | News | Comments

Researchers have produced a stable porous membrane that is thinner than a single nanometer. The membrane consists of two layers of graphene on which have been etched tiny pores of a precisely defined size. Extremely light and breathable, the new material could help enable a new generation of ultra-rapid filters or functional waterproof clothing.

The trials of the Cherokee were reflected in their skulls

April 17, 2014 12:00 pm | by Matt Shipman, News Services, North Carolina State Univ. | News | Comments

From far away, the top of a leaf looks like one seamless surface; however, up close, that smooth exterior is actually made up of a patchwork of cells in a variety of shapes and sizes. Interested in how these cells individually take on their own unique forms, a team sought to pinpoint the shape-controlling factors in pavement cells, which are puzzle-piece-shaped epithelial cells found on the leaves of flowering plants.

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Floating nuclear plants could ride out tsunamis

April 16, 2014 11:08 am | by David L. Chandler, MIT News Office | Videos | Comments

When an earthquake and tsunami struck the Fukushima Daiichi nuclear plant complex in 2011, neither the quake nor the inundation caused the ensuing contamination. Rather, it was the aftereffects—specifically, the lack of cooling for the reactor cores, due to a shutdown of all power at the station—that caused most of the harm. A new design for nuclear plants built on floating platforms could help avoid such consequences in the future.

Fish from acidic ocean waters less able to smell predators

April 16, 2014 8:05 am | by Brett Israel, Georgia Institute of Technology | News | Comments

Fish living on coral reefs where carbon dioxide seeps from the ocean floor were less able to detect predator odor than fish from normal coral reefs, according to a new study. The study confirms laboratory experiments showing that the behavior of reef fishes can be seriously affected by increased carbon dioxide concentrations in the ocean.

Potent, puzzling and (now less) toxic: Team discovers how antifungal drug works

April 15, 2014 5:18 pm | by Diana Yates, Univ. of Illinois | News | Comments

Scientists have solved a decades-old medical mystery, and in the process have found a potentially less toxic way to fight invasive fungal infections, which kill about 1.5 million people a year. The researchers say they now understand the mechanism of action of amphotericin, an antifungal drug that has been in use for more than 50 years even though it is nearly as toxic to human cells as it is to the microbes it attacks.

Researchers using math to whittle away at jet lag

April 10, 2014 5:22 pm | by Lauran Neergaard - AP Medical Writer - Associated Press | News | Comments

Lots of apps claim they can help you fight jet lag. Now Michigan researchers say mathematical formulas suggest it's possible to adjust to new time zones a bit faster than previously thought, and they created their own free app to help. Doctors have long said exposure to light is key. But how much, and when?

New technology unwraps mummies' ancient mysteries

April 10, 2014 8:58 am | by Jill Lawless, Associated Press | News | Comments

Our fascination with mummies never gets old. Now the British Museum is using the latest technology to unwrap their ancient mysteries. Scientists at the museum have used CT scans and sophisticated imaging software to go beneath the bandages, revealing skin, bones, preserved internal organs, and in one case a brain-scooping rod left inside a skull by embalmers. The findings go on display next month in an exhibition.

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Scientists firm up origin of cold-adapted yeasts that make cold beer

April 10, 2014 8:35 am | by Terry Devitt, Univ. of Wisconsin-Madison | News | Comments

As one of the most widely consumed and commercially important beverages on the planet, one would expect the experts to know everything there is to know about lager beer. But it was just a few years ago that scientists identified the South American yeast that somehow hitched a ride to Bavaria and combined with the domesticated Old World yeast used for millennia to make ale and bread to form the hybrid that makes lager or cold stored beer.

Noses, made in Britain: UK touts lab-grown organs

April 9, 2014 3:12 pm | by Maria Cheng, AP Medical Writer | News | Comments

In a north London hospital, scientists are growing noses, ears and blood vessels in a bold attempt to make body parts in the laboratory. It's far from the only laboratory in the world that is growing organs for potential transplant. But the London work was showcased this week hints at the availability of more types of body parts, including what would be the world's first nose made partly from stem cells.

Recycling astronaut urine for energy and drinking water

April 9, 2014 3:09 pm | News | Comments

On the less glamorous side of space exploration, there’s the more practical problem of waste: in particular, what to do with astronaut pee. But rather than ejecting it into space, scientists are developing a new technique that can turn this waste burden into a boon by converting it into fuel and much-needed drinking water.

How coughs and sneezes float farther than you think

April 8, 2014 7:42 am | by Peter Dizikes, MIT News Office | News | Comments

The next time you feel a sneeze coming on, raise your elbow to cover up that multiphase turbulent buoyant cloud you’re about to expel. That’s right: A novel study by Massachusetts Institute of Technology researchers shows that coughs and sneezes have associated gas clouds that keep their potentially infectious droplets aloft over much greater distances than previously realized.

Tetris in the sky: Gamers play on Philly building

April 7, 2014 9:21 am | by Kathy Matheson, Associated Press | News | Comments

Hundreds of Tetris fans who had a little fun Saturday with a big version of the classic video game on the side of the 29-story Cira Centre in Philadelphia. LED lights embedded in the building's glass facade normally display colorful patterns. On Saturday night, images of super-sized shapes "fell" on two sides of the mirrored tower as competitors used joysticks to maneuver them, creating a spectacle against the night sky.

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Energy breakthrough uses sun to create solar energy materials

April 4, 2014 3:32 pm | News | Comments

In a recent advance in solar energy, researchers have discovered a way to tap the sun not only as a source of power, but also to directly produce the solar energy materials that make this possible.               

'Unbreakable' security codes inspired by nature

April 4, 2014 3:20 pm | News | Comments

Inspired by human biology, a revolutionary new method of encrypting confidential information has been patented by scientists. This discovery could transform daily life which is reliant on secure electronic communications for everything from mobiles to sensor networks and the internet.

Researchers design trees that make it easier to produce paper

April 4, 2014 9:43 am | by UBC | News | Comments

Researchers have genetically engineered trees that will be easier to break down to produce paper and biofuel, a breakthrough that will mean using fewer chemicals, less energy and creating fewer environmental pollutants.                 

NIST launches new U.S. time standard

April 4, 2014 9:28 am | by NIST | News | Comments

The U.S. Department of Commerce's National Institute of Standards and Technology (NIST) has officially launched a new atomic clock, called NIST-F2, to serve as a new U.S. civilian time and frequency standard, along with the current NIST-F1 standard.

Quantum photon properties revealed in another particle

April 4, 2014 9:23 am | by Caltech | News | Comments

Results from a recent applied science study at Caltech support the idea that waveguides coupled with another quantum particle—the surface plasmon—could also become an important piece of the quantum computing puzzle.               

Tiny power generator runs on saliva

April 3, 2014 1:02 pm | News | Comments

Saliva-powered micro-sized microbial fuel cells can produce minute amounts of energy sufficient to run on-chip applications, according to an international team of engineers.                      

An ultrathin collagen matrix biomaterial tool for 3-D microtissue engineering

April 3, 2014 9:53 am | by World Scientific | News | Comments

A novel ultrathin collagen matrix assembly allows for the unprecedented maintenance of liver cell morphology and function in a microscale "organ-on-a-chip" device that is one example of 3-D microtissue engineering.          

How electrodes charge and discharge

April 3, 2014 9:17 am | by David L. Chandler, MIT | News | Comments

The electrochemical reactions inside the porous electrodes of batteries and fuel cells have been described by theorists, but never measured directly. Now, a team at MIT has figured out a way to measure the fundamental charge transfer rate — finding some significant surprises.

Fighting cancer with lasers and nanoballoons that pop

April 3, 2014 9:11 am | by University at Buffalo | News | Comments

Chemotherapeutic drugs excel at fighting cancer, but they're not so efficient at getting where they need to go. Now, researchers are developing a better delivery method by encapsulating the drugs in nanoballoons – which are tiny modified liposomes that, upon being struck by a red laser, pop open and deliver concentrated doses of medicine.

Scientists solve the riddle of zebras’ stripes

April 1, 2014 4:49 pm | News | Comments

Why zebras have black and white stripes is a question that has intrigued scientists and spectators for centuries. A research team in California has examined this riddle systematically and have found that biting flies, including horseflies and tsetse flies, are the evolutionary driver for zebra stripes.

Phage “cocktail” wipes out 99% of E. coli in meat, spinach

April 1, 2014 3:24 pm | by Natalie van Hoose, Purdue Univ. | News | Comments

Bacteriophages are viruses that target and kill bacteria. Recent research at Purdue Univ. shows that treating food products with select bacteriophages could significantly reduce concentrations of E. coli. The study demonstrated that an injection of bacteriophages nearly eradicated a toxin-producing strain of E. coli in contaminated spinach and ground beef, in some cases decreasing E. coli concentrations by about 99%.

Satellite shows high productivity from U.S. corn belt

March 31, 2014 12:39 pm | by Kathryn Hansen, NASA's Goddard Space Flight Center | News | Comments

Data from satellite sensors show that during the Northern Hemisphere's growing season, the Midwest region of the United States boasts more photosynthetic activity than any other spot on Earth, according to NASA and university scientists who have figured out how to obtain plant fluorescence data from existing satellites.

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