News tagged with extra dimensions

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Search results for extra dimensions

Astronauts get extra moving time at space station

Space & Earth / Space Exploration

Nov 20, 2009 | 4 / 5 (1) | 0

(AP) -- The astronauts aboard the shuttle-station complex are getting some extra moving time.

Highlight: Damping of acoustic vibrations in gold nanoparticles

Nanotechnology / Nanophysics

Nov 19, 2009 | 4 / 5 (2) | 0

Vibrations in nanostructures offer applications in molecular-scale biological sensing and ultrasensitive mass detection. To approach single-atom sensing, it is necessary to reduce the dimensions of the structures ...

Just like old times: Generating RNA molecules in water

Chemistry / Biochemistry

Nov 20, 2009 | 4 / 5 (3) | 0

A key question in the origin of biological molecules like RNA and DNA is how they first came together billions of years ago from simple precursors. Now, in a study appearing in this week's Journal of Biological Chemistry, resear ...

Scientists decipher the formation of lasting memories

Medicine & Health / Neuroscience

Nov 10, 2009 | 4.7 / 5 (3) | 0

Researchers Researchers at the Swedish medical university Karolinska Institutet have discovered a mechanism that controls the brain's ability to create lasting memories. In experiments on genetically manipulated mice, they ...

Health care dispute: Costs of defensive medicine

Medicine & Health / Health

Nov 04, 2009 | 5 / 5 (1) | 1

(AP) -- Dr. James Wang says he tries to tell his patients when extra medical procedures aren't necessary. If they insist, though, he will do it - not so much to protect their health as his own practice.

Adding proton therapy 'boost' to X-ray radiation therapy reduces prostate cancer recurrences

Medicine & Health / Cancer

Nov 02, 2009 | 5 / 5 (1) | 0

Men who receive a "boost" of proton therapy after receiving a standard course of X-ray radiation therapy have fewer recurrences of their prostate cancer compared to men who did not receive the extra dose of proton radiation, ...

New group helps US monitor swine flu shot safety

Medicine & Health / Health

Nov 02, 2009 | not rated yet | 0

(AP) -- Independent health advisers begin monitoring safety of the swine flu vaccine on Monday, an extra step the government promised in this year's unprecedented program to watch for possible side effects.

Astronauts get extra work done in 1st spacewalk (AP)

Astronauts get extra work done in 1st spacewalk (Update)

Space & Earth / Space Exploration

Nov 19, 2009 | not rated yet | 2

(AP) -- A pair of spacewalking astronauts, one of them a surgeon, hustled through antenna and cable work outside the International Space Station on Thursday and even whipped off an extra chore.

Baby can wait as expectant dad finishes spacewalk

Space & Earth / Space Exploration

Nov 21, 2009 | 3.7 / 5 (3) | 0

(AP) -- A spacewalking astronaut put aside the impending birth of his daughter and blazed through his first-ever venture outside the International Space Station on Saturday.