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Results 1 - 6 of 6 for "u:news.sciencemag.org" in Salt Lake City, UT
The flaming red cliffs of this sprawling estate in northern New Mexico present a major mystery to the dozens of paleontologists who come here every summer to dig up some of the oldest dinosaurs known in North America: The earliest definitive dinosaurs arose sometime between 245 million and 230 million years ago at high latitudes in the Southern Hemisphere, yet none appeared in North America and other then-tropical regions for another 30 million years. Comment?
Every once in a while, a cosmic ray-a subatomic particle from outer space-strikes the atmosphere with an energy 10 million times higher than a humanmade particle accelerator has ever achieved. Physicists don't know where such mind-bogglingly energetic particles come from, but they could be closing in on an answer thanks to the expansion of one of the world's biggest cosmic ray experiments. Comment?
Biomedical research is often slow and incremental, but it can take a leap when someone uncovers a hidden connection. For example, researchers might never have tested a hunch that fish oil eases symptoms of Raynaud syndrome , a circulatory disorder, if an information scientist hadn't taken the time to painstakingly scour stacks of technical articles on the seemingly unrelated topics. Comment?
The London-based publisher of Nature and Scientific American , Macmillan Science and Education, announced today that it will merge with Berlin-based Springer Science+Business Media, one of the world's largest science, technology, and medicine publishers. Together, the duo will generate an estimated $1.75 billion in annual sales and employ some 13,000 people. Comment?
About 55.5 million years ago, a burst of carbon dioxide raised Earth's temperature 5A C to 8A C, which had major impacts on numerous species of plants and wildlife. Scientists analyzing ancient soil samples now say a previous burst of the greenhouse gas preceded this event, known as the Paleocene-Eocene thermal maximum , and probably triggered it. Comment?
For decades, geologists have noted the signs of ancient landslides in southwestern Utah. Although many parts of the landscape don't look that odd at first glance, certain layers include jumbled masses of fractured rock sandwiched among thick veins of lava, ash, and mud. Comment?
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