Space Season: Feb 19, 2011

Saturday, February 19, 2011

ScienceDaily Health Headlines -- for Saturday, February 19, 2011

ScienceDaily Health Headlines

for Saturday, February 19, 2011

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Fountain of youth from the tap? Environmental lithium uptake promotes longevity, scientists demonstrate in worms (February 18, 2011) -- A regular uptake of the trace element lithium can considerably promote longevity, suggests new research by scientists in Germany. The researchers have demonstrated by two independent approaches that even a low concentration of lithium leads to an increased life expectancy in humans as well as in a model organism, the roundworm Caenorhabditis elegans. ... > full story

Study links hypoxia and inflammation in many diseases (February 18, 2011) -- When the body is deprived of oxygen during a major surgery, the kidneys, heart muscles or lungs can be injured as a result. Yet the body can adapt to low oxygen. Understanding how can lead to cures. New research explores the relationship between lack of oxygen, called hypoxia, and the inflammation that can injure or kill some patients who undergo surgery. In a liver transplant, for example, the surgery and anesthesiology can go perfectly yet the new liver will fail because of hypoxia. ... > full story

Scientists bioengineer a protein to fight leukemia (February 18, 2011) -- Scientists have announced a breakthrough discovery in understanding how the body fights leukemia. They have identified a protein called CD19-ligand located on the surface of certain white blood cells that facilitates the recognition and destruction of leukemia cells by the immune system. This work represents the first report of a bioengineered version of CD19-L, a recombinant human biotherapeutic agent, targeting CD19-positive leukemic stem cells. ... > full story

Value of therapeutic hypothermia after cardiac arrest confirmed by new research (February 18, 2011) -- Researchers confirmed that patients who receive therapeutic hypothermia after resuscitation from cardiac arrest have favorable chances of surviving the event and recovering good functional status. In therapeutic hypothermia, a patient's body temperature is cooled to 33 degrees Celsius following resuscitation from cardiac arrest, in order to slow the brain's metabolism and protect the brain against the damage initiated by the lack of blood flow and oxygenation. ... > full story

High-caffeine-consuming boys get greater rush from caffeine than girls (February 18, 2011) -- Among the many differences between girls and boys, add the effects from caffeine -- physiological, behavioral and subjective -- to the list. ... > full story

Brain function linked to birth size; Study sheds light on mental health problems later in life (February 18, 2011) -- Scientists have discovered the first evidence linking brain function variations between the left and right sides of the brain to size at birth and the weight of the placenta. The finding could shed new light on the causes of mental health problems in later life. ... > full story

Identification of glaucoma gene brightens view for future therapies (February 18, 2011) -- Glaucoma -- a leading cause of vision loss and blindness worldwide -- runs in families. A team of investigators has identified a new candidate gene for the most common form of the eye disorder, primary open angle glaucoma. The findings offer novel insights into glaucoma pathology and could lead to targeted treatment strategies. ... > full story

Reverse genetics allow scientists to slow spread of Rubella virus (February 18, 2011) -- Scientists have identified the gene that allows the Rubella virus to block cell death and reverse engineered a mutant gene that slows the virus's spread. Researchers believed that RNA viruses were able to spread by blocking the pathways in cells that lead to cell suicide, and isolated the responsible gene in Rubella, also known as German measles. ... > full story

Children in public housing play outdoors more (February 18, 2011) -- Young children living in urban public housing spend more time playing outdoors than other urban children, according to researchers. ... > full story

Male fertility is in the bones: First evidence that skeleton plays a role in reproduction (February 18, 2011) -- Researchers have discovered that the skeleton acts as a regulator of fertility in male mice through a hormone released by bone, known as osteocalcin. ... > full story

Chemical guided missile could be the answer to wiping out cancer (February 18, 2011) -- Medical scientists in Australia have created the world's first cancer stem cell-targeting chemical missile, placing them a step closer to creating a medical 'smart bomb' that would seek out and eradicate the root of cancer cells. ... > full story

Portable pedal machines may help counter harmful effects of sedentary jobs (February 18, 2011) -- Portable pedal machines could help counter the harmful effects of prolonged periods spent at a desk or workstation among an increasingly sedentary workforce, suggests a small study published online in the British Journal of Sports Medicine. ... > full story

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ScienceDaily Top Science Headlines -- for Saturday, February 19, 2011

ScienceDaily Top Science Headlines

for Saturday, February 19, 2011

Welcome to another edition of ScienceDaily's email newsletter. You can change your subscription options or unsubscribe at any time.

Experts question aspects of prescribed burning (February 18, 2011) -- Prescribed burning to reduce the hazards of bushfires may do more harm than good in some circumstances, according to a group of leading environmental scientists. ... > full story

Solar flare: Space weather disrupts communications, threatens other technologies (February 18, 2011) -- A powerful solar flare has ushered in the largest space weather storm in at least four years and has already disrupted some ground communications on Earth. ... > full story

Oxygen levels in the air do not limit plant productivity, researchers find (February 18, 2011) -- There have been concerns that present oxygen levels may limit plant productivity. Researchers in Sweden show that this is not the case in a new study. The results are encouraging since they demonstrate that plans for future biomass and solar fuels production are not limited by this effect. ... > full story

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ScienceDaily Technology Headlines -- for Saturday, February 19, 2011

ScienceDaily Technology Headlines

for Saturday, February 19, 2011

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Hydrogen cartridges fuel laptops and phones for outdoor enthusiasts (February 18, 2011) -- Scientists have developed new hydrogen cartridges, which provide energy to fuel cells designed to recharge cell phones, laptops and GPS units. The green power source is geared toward outdoor enthusiasts as well as residents of the Third World, where electricity in homes is considered a luxury. ... > full story

The real avatar: Swiss researchers use virtual reality and brain imaging to hunt for the science of the self (February 18, 2011) -- That feeling of being in, and owning, your own body is a fundamental human experience. Now, researchers have announced an important step in decoding the phenomenon. By combining techniques from cognitive science with those of virtual reality and brain imaging, scientists in Switzerland are narrowing in on the first experimental, data-driven approach to understanding self-consciousness. ... > full story

World's first anti-laser built (February 18, 2011) -- More than 50 years after the invention of the laser, scientists have built the world's first anti-laser, in which incoming beams of light interfere with one another in such a way as to perfectly cancel each other out. The discovery could pave the way for a number of novel technologies with applications in everything from optical computing to radiology. ... > full story

Compact high-temperature superconducting cables demonstrated (February 18, 2011) -- A researcher has invented a method of making high-temperature superconducting (HTS) cables that are thinner and more flexible than demonstration HTS cables now installed in the electric power grid while carrying the same or more current. The compact cables could be used in the electric grid as well as scientific and medical equipment and may enable HTS power transmission for military applications. ... > full story

The green machine: Algae clean wastewater, convert to biodiesel (February 18, 2011) -- Researchers are developing biodiesel from microalgae grown in wastewater. The project is doubly "green" because algae consume nitrates and phosphates and reduce bacteria and toxins in the water. The end result: clean wastewater and stock for a promising biofuel. ... > full story

Catching space weather in the act (February 18, 2011) -- Special cameras aboard the Interstellar Boundary Explorer, or IBEX, spacecraft have snapped the first shots of a complex space environment. Instead of recording light, these two large single-pixel cameras detect energetic neutral atoms. ... > full story

Controlling a computer with thoughts? (February 18, 2011) -- Researchers will place brain-computer interfaces in patients with spinal cord injuries to test if it is possible for them to control external devices, such as a computer cursor or a prosthetic limb, with their thoughts. ... > full story

Sleeping Trojan horse to aid imaging of diseased cells (February 18, 2011) -- A unique strategy developed by researchers in the UK is opening up new possibilities for improving medical imaging. Medical imaging often requires getting unnatural materials such as metal ions into cells, a process which is a major challenge across a range of biomedical disciplines. One technique currently used is called the 'Trojan Horse' in which the drug or imaging agent is attached to something naturally taken up by cells. ... > full story

Improving microscopy by following the astronomers' guide star (February 18, 2011) -- A corrective strategy used by astronomers to sharpen images of celestial bodies can now help scientists see with more depth and clarity into the living brain of a mouse. ... > full story

New method for unraveling molecular structures (February 18, 2011) -- Chemists in Germany have introduced a new method for identifying chemical compounds. The approach they used is an improvement on nuclear magnetic resonance (NMR) measurements -- for decades one of the most successful methods for determining the chemical structure of organic molecules. The results show a sophisticated approach to structural data when classical methods of analysis fail. ... > full story

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ScienceDaily Environment Headlines -- for Saturday, February 19, 2011

ScienceDaily Environment Headlines

for Saturday, February 19, 2011

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Leafcutter ant genome reveals secrets of fungus farming ways (February 18, 2011) -- Leafcutter ants, signature denizens of New World tropical forests, are unique in their ability to harvest fresh leaves to cultivate a nutrient-rich fungus as food. ... > full story

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