ScienceDaily: Top Technology News |
- Why sibling stars look alike: Early, fast mixing in star-birth clouds
- Batteryless cardiac pacemaker is based on automatic wristwatch
- Balloon rise over fort sumner
- Intense Exercise during Long Space Flights Helps Astronauts Protect Aerobic Capacity
- Can YouTube save your life?
- 'Face time' for the diagnoses of cardiac disease
- New tool aids stem cell engineering for medical research
- Together, humans and computers can figure out plant world
- Artificial virus improves delivery of new generations of pharmaceuticals
- Electronics: Magnetic memories on the right track
| Why sibling stars look alike: Early, fast mixing in star-birth clouds Posted: 31 Aug 2014 12:03 PM PDT Early, fast, turbulent mixing of gas within giant molecular clouds -- the birthplaces of stars -- means all stars formed from a single cloud bear the same unique chemical 'tag' or 'DNA fingerprint,' write astrophysicists. Could such chemical tags help astronomers identify our own Sun's long-lost sibling stars? |
| Batteryless cardiac pacemaker is based on automatic wristwatch Posted: 31 Aug 2014 09:50 AM PDT A new batteryless cardiac pacemaker based on an automatic wristwatch and powered by heart motion has been presented by researchers. The prototype device does not require battery replacement. |
| Posted: 29 Aug 2014 02:53 PM PDT In a few days, a balloon-borne telescope sensitive to the polarization of high-energy "hard" X rays will ascend to the edge of the atmosphere above Fort Sumner, N.M., to stare fixedly at black holes and other exotic astronomical objects. It will be carried aloft by a stratospheric balloon that will expand to a sphere large enough to hold a 747 jetliner the float height of 120,000 feet, three times the height at which commercial aircraft fly and on the edge of Earth's atmosphere. Launching the balloon is not child's play. |
| Intense Exercise during Long Space Flights Helps Astronauts Protect Aerobic Capacity Posted: 29 Aug 2014 08:56 AM PDT Many astronauts experience a dip in aerobic capacity during long space flights, which can impair their ability to perform complex and demanding routine tasks. In a new article, NASA researchers find that regular, intense in-flight exercise helps preserve cardiovascular stamina. |
| Posted: 29 Aug 2014 07:34 AM PDT Only a handful of CPR and basic life support videos available on YouTube provide instructions which are consistent with recent health guidelines, according to a new study. Only 11.5% of the analyzed videos were found to be completely compatible with 2010 CPR guidelines with regard to sequence of interviews. "Although well-designed videos can create awareness and be useful as tools in training, they can never replace hands-on instruction from a properly qualified health practitioner," said one author. |
| 'Face time' for the diagnoses of cardiac disease Posted: 29 Aug 2014 07:34 AM PDT To the careful observer, a person's face has long provided insight into what is going on beneath the surface. Now, with the assistance of a web camera and software algorithms, the face can also reveal whether or not an individual is experiencing atrial fibrillation, a treatable but potentially dangerous heart condition. |
| New tool aids stem cell engineering for medical research Posted: 28 Aug 2014 10:52 AM PDT An online analytic tool that will speed up and enhance the process of re-engineering cells for biomedical investigation has been developed by researchers. CellNet is a free-use Internet platform that uses network biology methods to aid stem cell engineering. |
| Together, humans and computers can figure out plant world Posted: 28 Aug 2014 08:53 AM PDT Recent research applying bioinformatics and biometrics to the study of plant form and function is presented in a special issue of a journal. The methods presented in the issue include automated classification and identification, a new online pollen database with semantic search capabilities, geometric morphometrics, and skeleton networks, and present a picture of a renaissance in morphometric approaches that capitalize on recent technological advances. |
| Artificial virus improves delivery of new generations of pharmaceuticals Posted: 28 Aug 2014 08:06 AM PDT An artificial virus has been developed that can potentially be used for the delivery of new generations of pharmaceuticals, consisting of large biomolecules, by 'packaging' them in a natural fashion and delivering them to diseased cells. The artificial virus was designed according to new theoretical insights into how viruses operate and offers prospects for the delivery of pharmaceuticals, write the researchers. |
| Electronics: Magnetic memories on the right track Posted: 27 Aug 2014 06:37 PM PDT An investigation into switching characteristics provides new criteria for achieving faster switching of magnetic memories. |
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