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Animals50 years ago, eels’ navigation skills electrified scientists
Excerpt from the June 24, 1972 issue of Science News
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EnvironmentEarth’s oldest known wildfires raged 430 million years ago
430-million-year-old fossilized charcoal suggests atmospheric oxygen levels of at least 16 percent, the amount needed for fire to take hold and spread.
By Sid Perkins -
MicrobesThis giant bacterium is the largest one found yet
On average, Thiomargarita magnifica measures 1 centimeter long and maxes out at 2 centimeters. It is 50 times larger than other giant bacteria.
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