Glowing snow is falling thousands of feet under the sea. Here's why.

Edie Widder sat quietly in the dark for half an hour.

All around her, critters floated and glided by as she peered through the thick glass bubble of a submersible, perched on a rocky ledge nearly 2,000 feet under the sea. 

Everywhere, the creatures glowed.

"It was like an incredible starfield sky," said Widder, the marine scientist who famously attracted a legendary giant squid to the same deep sea submarine, six years earlier. "It was all of these little frothy lengths of luminescence that lit up all around us, and above us."

That August evening, Widder descended down to these depths off the Eastern Bahamas not to seek out any enormous tentacled creatures, but to watch the sea glow.   Read more...

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