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image: Pigeon GPS Identified

Pigeon GPS Identified

By | April 26, 2012

A population of neurons in pigeon brains encodes direction, intensity, and polarity of the Earth’s magnetic field.


image: Melting Ice Releases Ancient Microbes

Melting Ice Releases Ancient Microbes

By | April 19, 2012

Living cells escaping from Antarctic glaciers could speed global warming and affect marine life.


image: Spotted: Emperor Penguins

Spotted: Emperor Penguins

By | April 17, 2012

Satellites are used to count the number of penguins living in Antarctica.


image: Spotting a Giraffe's Age

Spotting a Giraffe's Age

By | April 11, 2012

A giraffe’s spots can give away its years.


image: Insect Battles, Big and Small

Insect Battles, Big and Small

By | April 10, 2012

Social insect soldiers not only protect the colony from insect invasions; some also secrete strong antifungal compounds to kill microscopic enemies.


image: Colony Collapse from Pesticides?

Colony Collapse from Pesticides?

By | April 9, 2012

Yet another study demonstrates that how pesticides might be related to the collapse of wild bee colonies.


image: Poisonous Shrooms Battle Cancer

Poisonous Shrooms Battle Cancer

By | April 4, 2012

A deadly mushroom toxin shrinks pancreatic tumors in mice.


image: Ants Share Pathogens for Immunity

Ants Share Pathogens for Immunity

By | April 3, 2012

A new study shows that grooming by ants promotes colony-wide resistance to fungal infections by transferring small amounts of pathogen to nestmates.


image: The Two Faces of Metastasis

The Two Faces of Metastasis

By | April 1, 2012

During development, the cells of an embryo change their pattern of gene expression, which allows them to detach from their original location and migrate to another part of the embryo, where the pattern changes again to allow formation of a new organ.


image: Are Cancer Stem Cells Ready for Prime Time?

Are Cancer Stem Cells Ready for Prime Time?

By | April 1, 2012

A flood of new discoveries has refined our definition of cancer stem cells. Now it’s up to human clinical trials to test if they can make a difference in patients.


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