biology
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Polar Bears and Brown Bears Have an Ancient, Intimate Relationship, Scientists Say
Researchers have extracted DNA from a 115,000-year-old polar bear jawbone and used it to analyse the genetic relationship between these Arctic predators and their brown bear cousins (grizzlies included). They found that polar bears intermixed with brown bears quite a bit over the millennia.
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A Court Has Ruled Bees Can Be Classified as Fish
A new ruling allows endangered bees to be protected under the California Fish and Game Code.
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Algae Powered a Computer for More Than Six Months
Using nothing but light, water and cyanobacteria, the microprocessor ran uninterrupted.
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Researchers Found Glowing Spider Fossils in the South of France
A team of researchers studying 22.5-million-year-old spider fossils from Aix-en-Provence were taken aback when the petrified pests glowed under a fluorescent microscope. The fluorescence was likely due to the circumstances of the fossilisation, the group said.