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Thursday, February 19, 2015
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Mars Exploration: NASA's MAVEN Spacecraft Completes First Deep Dip Campaign
Feb. 19, 2015 — NASA's Mars Atmosphere and Volatile Evolution has completed the first of five deep-dip maneuvers designed to gather measurements closer to the lower end of the Martian upper ... full story
- MAVEN Spacecraft Completes First Deep Dip
- Giving Shape to Black Holes' Intense Winds
- Insect and Mammal Ovulation More Alike Than Not?
- Mineral Destroys Organic Compounds
- Probiotic Toxin Fights Coldwater Disease in Trout
- Gene May Help Reduce GM Contamination
- Prostate Cancer: Better Assessment of Treatments
- New Technique for Making Molybdenum Disulfide
- Perfect Colors, One Ultra-Thin Lens
- Sunlight Continues to Damage Skin in the Dark
newer top stories | older top stories
All Latest News
last updated on 2015-02-19 at 10:50 pm EST
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Mars Exploration: NASA's MAVEN Spacecraft Completes First Deep Dip Campaign
Feb. 19, 2015 — NASA's Mars Atmosphere and Volatile Evolution has completed the first of five deep-dip maneuvers designed to gather measurements closer to the lower end of the Martian upper ... full story -
Giving Shape to Black Holes' Intense Winds
Feb. 19, 2015 — By looking at the speed of ambient gas spewing out from a well-known quasar, astronomers are gaining insight into how black holes and their host galaxies might have evolved at the same ... full story -
Insect and Mammal Ovulation More Alike Than Not?
Feb. 19, 2015 — The average American woman lives more than 80 years and ovulates for 35 of them, producing an egg approximately once a month. The typical fruit fly lives about 4 weeks as an adult and ovulates every ... full story -
Scientists Identify Mineral That Destroys Organic Compounds, With Implications for Mars Curiosity Mission
Feb. 19, 2015 — Scientists have discovered that the mineral jarosite breaks down organic compounds when it is flash-heated, with implications for Mars research. Jarosite is an iron sulphate and it is one of several ... full story -
Probiotic Toxin Fights Coldwater Disease in Rainbow Trout
Feb. 19, 2015 — The rainbow trout is a work of art but when the freshwater fish falls prey to Coldwater Disease, its colorful body erodes into ragged ulcers. The bacterial infection can kill up to 30 percent of ... full story -
People With Multiple Sclerosis May Have Lower Levels of Key Nutrients
Feb. 19, 2015 — Women with multiple sclerosis (MS) may have lower levels of important antioxidant and anti-inflammatory nutrients, such as folate from food and vitamin E, than healthy people, according to a new ... full story -
Gene May Help Reduce GM Contamination
Feb. 19, 2015 — Genetically modified crops have long drawn fire from opponents worried about potential contamination of conventional crops and other plants. Now a plant gene might help farmers reduce the risk of GM ... full story -
Politics and Economics Affect 'Health in All Policies'
Feb. 19, 2015 — Some governments have decided that health care is too important to leave to their health departments and have made health care a priority for all departments. The concept, called Health in All ... full story -
New Study Could Lead Way for Better Assessment of Treatment Options for Men With Prostate Cancer
Feb. 19, 2015 — Radiation therapy is the most common treatment for men with prostate cancer regardless of the aggressiveness of the tumor, risk to the patient and overall patient prognosis, researchers have found. ... full story -
New Technique for Making Graphene Competitor, Molybdenum Disulfide
Feb. 19, 2015 — Researchers have made an advance in manufacturing molybdenum disulphide, a 2-D material that could compete with graphene for replacing silicon in next-generation electronics. By growing flakes of the ... full story -
Perfect Colors, Captured With One Ultra-Thin Lens
Feb. 19, 2015 — A completely flat, ultrathin lens can focus different wavelengths of light at the same point, achieving instant color correction in one extremely thin, miniaturized ... full story -
Sunlight Continues to Damage Skin in the Dark
Feb. 19, 2015 — Much of the damage that ultraviolet radiation does to skin occurs hours after sun exposure, a team of researchers has concluded. While noting that news of the carcinogenic effect of melanin is ... full story -
Minimizing 'False Positives' Key to Vaccinating Against Bovine TB
Feb. 19, 2015 — New diagnostic tests are needed to make vaccination against bovine tuberculosis (bovine TB) viable and the number of false positives from these tests must be below 15 out of every 10,000 cattle ... full story -
New ALS Gene, Signaling Pathways Identified
Feb. 19, 2015 — Using advanced DNA sequencing methods, researchers have identified a new gene that is associated with sporadic amyotrophic lateral sclerosis (ALS), or Lou Gehrig's ... full story -
Animals Tend to Evolve Toward Larger Size Over Time
Feb. 19, 2015 — In one of the most comprehensive studies of body size evolution ever conducted, scientists have found fresh support for Cope's rule, a theory in biology that states that animal lineages tend to ... full story -
Hubble Gets Best View of a Circumstellar Debris Disk Distorted by a Planet
Feb. 19, 2015 — Astronomers have used the Hubble Space Telescope to take the most detailed picture to date of a large, edge-on, gas-and-dust disk encircling the 20-million-year-old star Beta Pictoris. The new image ... full story -
New Nanogel for Drug Delivery
Feb. 19, 2015 — Chemical engineers have designed a new type of self-healing hydrogel that could be injected through a syringe. Scientists are interested in using gels to deliver drugs because they can be molded into ... full story -
New Brain Mapping Reveals Unknown Cell Types
Feb. 19, 2015 — Using a process known as single cell sequencing, scientists have produced a detailed map of cortical cell types and the genes active within them. The study marks the first time this method of ... full story -
Impact of Tsunami on the Columbia River
Feb. 19, 2015 — Engineers have completed one of the most precise evaluations yet done about the impact of a major tsunami event on the Columbia River, what forces are most important in controlling water flow and ... full story -
Innovative Transfusion Approach Has Potential Save to Lives, Experts Say
Feb. 19, 2015 — A new nationwide, multi-site study in the United States may help save hundreds of lives among trauma patients with major bleeding. The study compared two different methods of blood transfusion, and ... full story
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