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image: Opinion: Cooperating to Study Cooperation

Opinion: Cooperating to Study Cooperation

By | February 20, 2013

Physicists and biologists are working together to understand cooperation at all levels of life, from the cohesion of molecules to interspecies interactions.


image: Appendix Not Totally Useless

Appendix Not Totally Useless

By | February 15, 2013

The small organ evolved too many times for it to be an accident, but it’s still unclear what it does.


image: Placental Ancestor Found

Placental Ancestor Found

By | February 11, 2013

A small insect-eating animal is the common ancestor of whales, elephants, dogs, and humans.


image: Fellow Travelers

Fellow Travelers

By | February 1, 2013

Collective cell migration relies on a directional signal that comes from the moving cluster, rather than from external cues.

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image: Freezing Cells

Freezing Cells

By | 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: Go Forth, Cells

Go Forth, Cells

By | February 1, 2013

Watch the cell transplant experiments in zebrafish that suggest certain embryonic cells rely on intrinsic directional cues for collective migration.


image: Photonic Colored Creatures

Photonic Colored Creatures

By | February 1, 2013

Animals and plants come in a dizzying array of colors. Current research is cracking into the remarkable structures behind nature's artistic display.

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image: Catching the Cold

Catching the Cold

By | February 1, 2013

Tracking the genetic diversity and evolution of rhinoviruses can lead to a better understanding of viral evolution, the common cold, and more dangerous infections.


image: Color from Structure

Color from Structure

By | February 1, 2013

Researchers are working to understand how often-colorless biological nanostructures give rise to some of the most spectacular technicolor displays in nature.


image: Icing Organs

Icing Organs

By | February 1, 2013

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


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