Astronomy news update from NASA : 
What are these bubbles frozen into Lake Baikal? Methane. Lake Baikal, a UNESCO World Heritage Site in Russia, is the world's largest (by volume), oldest, and deepest lake, containing over 20% of the world's fresh water. The lake is also a vast storehouse of methane, a greenhouse gas that, if released, could potentially increase the amount of infrared light absorbed by Earth's atmosphere, and so increase the average temperature of the entire planet. Fortunately, the amount of methane currently bubbling out is not climatologically important. It is not clear what would happen, though, were temperatures to significantly increase in the region, or if the water level in Lake Baikal were to drop. Pictured, bubbles of rising methane froze during winter into the exceptionally clear ice covering the lake.
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What are these bubbles frozen into Lake Baikal? Methane. Lake Baikal, a UNESCO World Heritage Site in Russia, is the world's largest (by volume), oldest, and deepest lake, containing over 20% of the world's fresh water. The lake is also a vast storehouse of methane, a greenhouse gas that, if released, could potentially increase the amount of infrared light absorbed by Earth's atmosphere, and so increase the average temperature of the entire planet. Fortunately, the amount of methane currently bubbling out is not climatologically important. It is not clear what would happen, though, were temperatures to significantly increase in the region, or if the water level in Lake Baikal were to drop. Pictured, bubbles of rising methane froze during winter into the exceptionally clear ice covering the lake.
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By SHEERA FRENKEL, DAISUKE WAKABAYASHI and KATE CONGER from NYT Technology https://ift.tt/2S7MhqG
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Our new 'Word Of The Day' article update : dim-bulb , adj :
Slow-witted, stupid. On this day 140 years ago in 1878, English chemist, physicist and inventor Sir Joseph Swan first publicly demonstrated his incandescent carbon lamp, one of the earliest light bulbs, at a lecture for the Newcastle upon Tyne Chemical Society.
Slow-witted, stupid. On this day 140 years ago in 1878, English chemist, physicist and inventor Sir Joseph Swan first publicly demonstrated his incandescent carbon lamp, one of the earliest light bulbs, at a lecture for the Newcastle upon Tyne Chemical Society.
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