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image: A Chill Issue

A Chill Issue

By Mary Beth Aberlin | February 1, 2013

The very cold, the merely chilled, and the colorful


image: Freezing Cells

Freezing Cells

By Megan Scudellari | February 1, 2013

A handful of species have learned how to survive in freezing climates. To do so, the animals must counteract the damaging effects of ice crystal formation, or keep from freezing altogether. Here are a few ways they do it.

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image: Frogcicle


By Megan Scudellari | February 1, 2013

Watch as the astounding wood frog uses cellular cryopreservation tricks to freeze, thaw, and live to croak about it.


image: Icing Organs

Icing Organs

By Megan Scudellari | February 1, 2013

Why scientists are so near and yet so far from being able to cryopreserve organs


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