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33 Most Beautiful Photos Of Animal Migration

26 photos that every perfectionist will appreciate

26 Photos That Every Perfectionist Will Find Pleasing

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Fact-Check: Is This Really a Weasel Riding a Woodpecker

Axones nerviosos - A cross section of a bundle of nerve fibers.  Axons (orange) are wrapped in myelin (purple); an extension of the membrane of glial cells.  Myelin has high lipid content, and acts to insulate the axons, causing them to transmit nerve impulses much faster.

Axones nerviosos - A cross section of a bundle of nerve fibers. Axons (orange) are wrapped in myelin (purple); an extension of the membrane of glial cells. Myelin has high lipid content, and acts to insulate the axons, causing them to transmit nerve impulses much faster.

With its fascinating coloring and delicate curling arms, the blue-ringed octopus may be a beautiful creature, but this small cephalopod is also deadly. The blue-ringed octopus appears grey or beige with light brown patches when it is at rest, but when agitated its 50 or 60 bright blue rings appear and pulsate with color, as a warning. Inside the salivary glands of the blue-ringed octopus live colonies of bacteria that produce tetrodotoxin, the potent neurotoxin found in pufferfish and other…

With its fascinating coloring and delicate curling arms, the blue-ringed octopus may be a beautiful creature, but this small cephalopod is also deadly. The blue-ringed octopus appears grey or beige with light brown patches when it is at rest, but when agitated its 50 or 60 bright blue rings appear and pulsate with color, as a warning. Inside the salivary glands of the blue-ringed octopus live colonies of bacteria that produce tetrodotoxin, the potent neurotoxin found in pufferfish and other…

Beluga Whales migration, Nunavut Inlet, Canada - via Silvia ZK's photo on Google+

Beluga Whales migration, Nunavut Inlet, Canada - via Silvia ZK's photo on Google+

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