Spiral cloud near Moscow last morning

Comments

pebbleinthepond · 11 years ago · FIRST

That's not a spiral it's a double helix

mcr101 · 11 years ago

It's a DNA strand

pebbleinthepond · 11 years ago

That's what a double helix is.

1 · Edited 11 years ago

grammarnazi1 · 11 years ago

It's a twirly pasta noodle.

7 Reply

guest · 9 years ago

Pebble: a DNA strand is a double helix. A double helix is not necessarily a DNA strand.

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