ScienceDaily Top Science Headlines
for Saturday, February 18, 2012
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NASA map sees Earth's trees in a new light (February 17, 2012) -- A NASA-led science team has created an accurate, high-resolution map of the height of Earth's forests. The map will help scientists better understand the role forests play in climate change and how their heights influence wildlife habitats within them, while also helping them quantify the carbon stored in Earth's vegetation. ... > full story
Linking human evolution and climate change (February 17, 2012) -- It's not a take on climate change we often hear about. But a professor of archaeology, will talk about how climate change impacts human evolution at the world’s largest science fair. ... > full story
Human-made photosynthesis to revolutionize food and energy production (February 17, 2012) -- Improving natural photosynthesis to make new fuels and boost crop production is the focus of new research. It could see us one step closer to bottling the sun's energy or turbocharging plants to produce bumper crops. ... > full story
Who goes there? Verifying identity online (February 17, 2012) -- We are all used to logging into networks where we have a unique identity, verified by the network server and associated with our account for other members of the network to see. Such an identity-based network system is useful because it is relatively simple. However, there are three major drawbacks including loss of anonymity of communicating users, misplaced trust and identity theft. ... > full story
No kids in public school? You still benefit (February 17, 2012) -- Quality public schools benefit everyone – including those without school-aged children – and therefore everyone should play a role in maintaining them, according to a new study. ... > full story
New braille-like texting app lets you text without looking (February 17, 2012) -- Researchers have designed a texting solution that could become a modern substitute for passing notes under the table. BrailleTouch is a prototype texting app that requires only finger gestures to key in letters on touch screen devices – no sight required. ... > full story
Models underestimate future temperature variability: Food security at risk (February 17, 2012) -- Climate warming caused by greenhouse gases is very likely to increase summer temperature variability around the world by the end of this century, new research shows. The findings have major implications for food production. ... > full story
How mitochondrial DNA defects cause inherited deafness (February 17, 2012) -- Scientists have discovered the molecular pathway by which maternally inherited deafness appears to occur: Mitochondrial DNA mutations trigger a signaling cascade, resulting in programmed cell death. ... > full story
Deepwater Horizon disaster could have billion dollar impact (February 17, 2012) -- The Deepwater Horizon oil spill in the Gulf of Mexico in April 2010 will have a large economic impact on the US Gulf fisheries. A new study says that over seven years this oil spill could have a $US8.7 billion impact on the economy of the Gulf of Mexico. This includes losses in revenue, profit, and wages, and close to 22,000 jobs could be lost. ... > full story
Revealed in accurate detail, the underground world of plants (February 17, 2012) -- Plant and computer scientists can now study the underground world of plants with more accuracy and clarity. The revolutionary technique will improve our chances of breeding better crop varieties and increasing yields. ... > full story
A robot sketches portraits (February 17, 2012) -- An industrial robot as artist? A painter made of metal really can sketch faces. Its artistic genius only emerges if someone takes a seat on the model’s stool positioned in front of the robot: first, its camera records an image of its model; then it whips out its pencil and traces a portrait of the individual on its easel. After around ten minutes have passed, it grabs the work and proudly presents it to its public. ... > full story
Meet plants' and algae's common ancestor: Primitive organisms not always so simple, researcher says (February 17, 2012) -- A biologist has created a sketch of what the first common ancestor of plants and algae may have looked like. ... > full story
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