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NASA satellite finds air 39 previously unreported sources of air pollution Using a new satellite-based method, scientists at NASA, Environment and Climate Change Canada, and two universities have located 39 unreported and major human-made sources of toxic sulfur dioxide emissions. A known health hazard and contributor to acid rain, sulfur dioxide (SO2) is one of six air pollutants regulated by the U.S. Environmental Protection Agency. Current, sulfur dioxide monitoring activities include the use of emission…

A famous dagger found in the wrapping of Egyptian King Tutankhamun’s mummy was made with iron from a meteorite, a study confirms. An analysis of the King Tut dagger led by Daniela Comelli, a professor of materials science at the Polytechnic University of Milan in Italy, showed that it contains 10 per cent nickel and 0.6 per cent cobalt, the researchers report in the journal Meteoritics and Planetary Science. The analysis was conducted using a technique called X-ray fluorescence, which identifies different…

Fracture healing gene Lawrence Livermore New identification of a gene involved in the fracture healing process could lead to the development of new therapeutic treatments for difficult-to-heal injuries. Fracture healing involves communication between bone, muscle, vasculature and the thin membrane covering the outer surface of bones (periosteum) during the fracture repair. The periosteum contains stem cells that migrate to the fracture site and differentiate into chondrocytes (cartilage-forming cells) and/or osteoblasts (bone-forming cells). However, little is…

As they zero in on their sugary reward, foraging bumblebees follow an invisible clue: electric fields. Although some animals, including sharks, are known to have an electric sense, this is the first time the ability has been documented in insects. Pollinating insects take in a large number of sensory cues, from colours and fragrances to petal textures and air humidity. Being able to judge which flowers will provide the most nectar, and which have already…

Scientists for the first time have directly detected key organic compounds in a comet, bolstering the notion that these celestial objects delivered such chemical building blocks for life long ago to Earth and throughout the solar system. The European Space Agency’s Rosetta spacecraft made several detections of the amino acid glycine, used by living organisms to make proteins, in the cloud of gas and dust surrounding Comet 67P/Churyumov-Gerasimenko, scientists said on Friday. Glycine previously was…

Lake Mead’s water level has reached it’s lowest level ever since it was built in 1937. Federal water managers said Thursday the vast Colorado River reservoir is expected to continue to shrink amid ongoing drought. By Wednesday  the lake went to its lowest point since Hoover Dam was completed in 1936 — with a surface level of 1,074.68 feet above sea level. The U.S. Bureau of Reclamation plans to let it drop another few feet by…

Sen. Lamar Alexander wind farm Sen. Lamar Alexander publicly opposed the upcoming Crab Orchard Wind Farm project. In a speech on the Senate floor said he will not support the new wind farm project. “There are few places any more beautiful than Cumberland County. We should not allow anyone to destroy our environment,” said Alexander. Cumberland County resident Steve Rimmert caught the speech on TV and agrees with the senator. “To spoil this for such…

New form of light discoverd Scientists have discovered a new form of light that could make the fiber optics used for internet connections faster and more secure. Researchers from Trinity College Dublin (TCD) could change that; they recently measured the angular momentum of photons at a fraction of what was previously believed possible, according to Ireland’s National Public Service Broadcaster. The team devised an experiment to effectively reduce the number of dimensions that the light…

A report by Gizmodo said staff responsible for what was shown to Facebook’s 1.6bn users frequently chose to bury articles they did not agree with. Responding to the allegations, the network’s head of search Tom Stocky wrote that the site “found no evidence that the anonymous allegations are true”. The claims come weeks after Facebook founder Mark Zuckerberg publicly denounced the policies of likely US presidential nominee, Donald Trump. “I hear fearful voices calling for building…

According to media reports Tuesday, a Beijing court has ruled in favour of Facebook and against a Chinese company which had registered “face book” as a separate trademark. The court said the firm had “violated moral principles” with “obvious intention to duplicate and copy from another high-profile trademark”. The Zhongshan Pearl River company had registered the name in 2014. Facebook is blocked in China but has recently gone on a charm offensive to access the…

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