ScienceDaily: Top Science News |
- New records set for silicon quantum computing
- Bioinspired coating for medical devices repels blood, bacteria
- Revving up fluorescence for superfast LEDs
- Novel culture system replicates course of Alzheimer's disease, confirms amyloid hypothesis
- Icebergs once drifted to Florida, new climate model suggests
| New records set for silicon quantum computing Posted: 12 Oct 2014 10:48 AM PDT Two research teams working in the same laboratories have found distinct solutions to a critical challenge that has held back the realization of super powerful quantum computers. The teams created two types of quantum bits, or "qubits" -- the building blocks for quantum computers -- that each process quantum data with an accuracy above 99%.       |
| Bioinspired coating for medical devices repels blood, bacteria Posted: 12 Oct 2014 10:48 AM PDT Medical devices implanted in the body or in contact with flowing blood present two critical, life-threatening challenges for doctors treating their patients: blood clotting and bacterial infection. A team of scientists and engineers has developed a new surface coating for medical devices using FDA-approved materials. The coating repelled blood from more than 20 medically relevant substrates the team tested -- made of plastic to glass and metal -- and also suppressed biofilm formation.  |
| Revving up fluorescence for superfast LEDs Posted: 12 Oct 2014 10:48 AM PDT Engineering researchers have made fluorescent molecules emit photons 1,000 times faster than normal -- a record in the field and an important step toward superfast light emitting diodes and quantum cryptography.  |
| Novel culture system replicates course of Alzheimer's disease, confirms amyloid hypothesis Posted: 12 Oct 2014 10:48 AM PDT An innovative laboratory culture system has succeeded, for the first time, in reproducing the full course of events underlying the development of Alzheimer's disease. Using this system, investigators provide the first clear evidence supporting the hypothesis that deposition of beta-amyloid plaques in the brain is the first step in a cascade leading to the devastating neurodegenerative disease.  |
| Icebergs once drifted to Florida, new climate model suggests Posted: 12 Oct 2014 10:48 AM PDT Using a first-of-its-kind, high-resolution numerical model to describe ocean circulation during the last ice age about 21,000 year ago, oceanographers have shown that icebergs and meltwater from the North American ice sheet would have regularly reached South Carolina and even southern Florida. The models are supported by the discovery of iceberg scour marks on the sea floor along the entire continental shelf.  |
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