News tagged with national
New giant virus discovered
Dec 09, 2009 |
4.3 / 5 (18) |
8
Scientists in France have isolated a new giant virus that lurks inside amoeba and whose gene pool includes genetic material from other species.
Bacteria offer insights into human decision making
Dec 08, 2009 |
4.5 / 5 (18) |
1
(PhysOrg.com) -- Scientists studying how bacteria under stress collectively weigh and initiate different survival strategies say they have gained new insights into how humans make strategic decisions that ...
Absence of evidence for a meteorite impact event 13,000 years ago
Space & Earth / Earth Sciences
Dec 08, 2009 |
4.1 / 5 (17) |
13
An international team of scientists led by researchers at the University of Hawaii at Manoa have found no evidence supporting an extraterrestrial impact event at the onset of the Younger Dryas ~13000 years ...
At Stanford, nanotubes + ink + paper = equal instant battery (w/ Video)
Nanotechnology / Nanomaterials
Dec 07, 2009 |
4.9 / 5 (27) |
3
(PhysOrg.com) -- Stanford scientists are harnessing nanotechnology to quickly produce ultra-lightweight, bendable batteries and supercapacitors in the form of everyday paper.
Facebook (and Systems Biologists) Take Note: Network Analysis Reveals True Connections
Technology / Computer Sciences
Dec 07, 2009 |
4 / 5 (9) |
8
(PhysOrg.com) -- Facebook figures out that you know Holly, although you haven't seen her in 10 years, because you have four mutual friends -- a good predictor of direct friendship. But sometimes Facebook gets ...
The thalamus, middleman of the brain, becomes a sensory conductor
Medicine & Health / Neuroscience
Dec 07, 2009 |
4.2 / 5 (5) |
1
Two new studies show that the thalamus--the small central brain structure often characterized as a mere pit-stop for sensory information on its way to the cortex--is heavily involved in sensory processing, and is an important ...
Scientists: Man controlled robotic hand with thoughts
Dec 02, 2009 |
5 / 5 (16) |
2
(AP) -- A group of European scientists said Wednesday they have successfully connected a robotic hand to an amputee, allowing him to feel sensations in the artificial limb and control it with his thoughts.
Peptides control crystal growth with 'switches, throttles and brakes'
Nanotechnology / Bio & Medicine
Nov 23, 2009 |
4.8 / 5 (5) |
0
(PhysOrg.com) -- By producing some of the highest resolution images of peptides attaching to mineral surfaces, scientists have a deeper understanding how biomolecules manipulate the growth crystals. This research ...
Computational microscope peers into the working ribosome (w/ Video)
Nov 23, 2009 |
4.9 / 5 (9) |
2
Two new studies reveal in unprecedented detail how the ribosome interacts with other molecules to assemble new proteins and guide them toward their destination in biological cells. The studies used molecular ...
Extinct moa rewrites New Zealand's history
Other Sciences / Archaeology & Fossils
Nov 18, 2009 |
4.6 / 5 (5) |
1
(PhysOrg.com) -- The evolutionary history of New Zealand's many extinct flightless moa has been re-written in the first comprehensive study of more than 260 sub-fossil specimens to combine all known genetic, ...
Researchers find cells move in mysterious ways (w/ Video)
8 hours ago |
4 / 5 (2) |
0
Our cells are more like us than we may think. They're sensitive to their environment, poking and prodding deliberately at their surroundings with hand-like feelers and chemical signals as they decide whether ...
An Advance in Superconducting Magnet Technology Opens the Door for More Powerful Colliders
12 hours ago |
4.7 / 5 (6) |
0
(PhysOrg.com) -- Preparing for as much as a 10-fold increase in the Large Hadron Collider's luminosity within the next decade, U.S. scientists and engineers have demonstrated a powerful magnet based on an ...
Bacteria wouldn't opt for a swine flu shot
12 hours ago |
3 / 5 (5) |
1
Bacteria inhabited our planet for more than 4 billion years before humans showed up, and they'll probably outlive us by as many eons more. That suggests they may have something to teach us.
Heart cells on lab chip display 'nanosense' that guides behavior
Nanotechnology / Bio & Medicine
Dec 15, 2009 |
4 / 5 (2) |
1
Johns Hopkins biomedical engineers, working with colleagues in Korea, have produced a laboratory chip with nanoscopic grooves and ridges capable of growing cardiac tissue that more closely resembles natural ...
New Bacterial Behavior Discovered
Dec 15, 2009 |
4.7 / 5 (6) |
1
(PhysOrg.com) -- Bacteria dance the electric slide, officially named electrokinesis by the USC geobiologists who discovered the phenomenon.
