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Responses of Genes in Females to Sex Revealed in Fruit Fly Study
September 11, 2012 — Sex can trigger remarkable female responses including altered fertility, immunity, libido, eating and sleep patterns -- by the activation of diverse sets of genes, according to new research. ... > full story -
Sliding Metals Show Fluidlike Behavior, New Clues to Wear
September 11, 2012 — Researchers have discovered a swirling fluid-like behavior in a solid piece of metal sliding over another, providing new insights into the mechanisms of wear and generation of machined surfaces that ... > full story -
Extreme Life Forms Might Be Able to Survive on Eccentric Exoplanets
September 11, 2012 — Astronomers have discovered a veritable rogues' gallery of odd exoplanets -- from scorching hot worlds with molten surfaces to frigid ice balls. And while the hunt continues for the elusive "blue ... > full story -
NASA Observations Point to 'Dry Ice' Snowfall on Mars
September 11, 2012 — NASA's Mars Reconnaissance Orbiter data have given scientists the clearest evidence yet of carbon-dioxide snowfalls on Mars. This reveals the only known example of carbon-dioxide snow falling ... > full story -
Martian Clays Were Not All Formed by the Action of Liquid Water
September 10, 2012 — Discovered in 2005, the clays of the southern hemisphere of Mars are often considered to be evidence for the existence of liquid water on the planet at a period in the very distant past between 4.5 ... > full story -
Surprises in Evolution of Frog Life Cycles
September 10, 2012 — All tadpoles grow into frogs, but not all frogs start out as tadpoles, reveals a new study on 720 species of frogs. The new study uncovers the surprising evolution of life cycles in ... > full story -
Salt Seeds Clouds in the Amazon Rainforest: Researchers Track Down the Sources of Condensation Nuclei
September 10, 2012 — It's morning, deep in the Amazon jungle. In the still air innumerable leaves glisten with moisture, and fog drifts through the trees. As the sun rises, clouds appear and float across the forest ... > full story -
Skin and Immune System Influence Salt Storage and Regulate Blood Pressure
September 8, 2012 — High blood pressure is responsible for many cardiovascular diseases. High salt intake has long been considered a risk factor, but not every type of high blood pressure is associated with high salt ... > full story -
NASA's Global Hawk Mission Begins With Flight to Hurricane Leslie
September 7, 2012 — NASA has begun its latest hurricane science field campaign by flying an unmanned Global Hawk aircraft over Hurricane Leslie in the Atlantic Ocean during a day-long flight from California to Virginia. ... > full story -
Towards Computing With Water Droplets: Superhydrophobic Droplet Logic
September 7, 2012 — Researchers in Finland have developed a new concept for computing, using water droplets as bits of digital information. This was enabled by the discovery that upon collision with each other on a ... > full story
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