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During the cold winters, the Alaskan Wood Frog becomes a frog-shaped block of ice. It stops breathing, and its heart stops beating. When Spring arrives the frog thaws and returns to normal going along its merry way. by sci-news #Frog #Cryoprotection

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Retina. Coloured scanning electron micrograph (SEM) of rods (yellow) and cones (green) in the retina of the eye. The outer nuclear layer is purple. Magnification x1800 when printed at 10 centimetres wide

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Camping Hack: How to Make Fire With Lemon: A perfect scientific experiment for kids to learn electro-chemical reactions and circuitry. | fabartdiy #Science #DIY

Pipa pipa frog giving birth. Once fertilized, the eggs sink into her back and develop as tadpoles. They emerge as froglets.

The human heart is truly a thing of beauty! I am obsessed with cardiology.

A human blood sample showing red cells, white cells, platelets (coloured yellow/green) and fibrin (light brown). The image was captured by field emission scanning electron microscope.