Winter Jewels: Frozen Bubbles of Methane Under Alberta's Lake Abraham
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| Emmanuel Coupe |
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| ©Darwin Wiggett |
SMITHSONIAN: "These frozen bubbles under Alberta's Lake Abraham might look like winter jewels, but you wouldn't want to be too close to one if it popped: the bubbles are actually frozen pockets of methane, a highly flammable gas. Most of the time, methane escaping from the surface of water is relatively harmless—but if you happen to be lighting a match at the time one of these bubbles explodes, watch out."
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