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image: Suspected Effects of Vitamin D

Suspected Effects of Vitamin D

By | March 1, 2012

Vitamin D has a variety of actions in the body. It binds to the vitamin D receptor (VDR), which then binds to the retinoid X receptor (RXR) and activates the expression of numerous genes. 

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image: T-Bee

T-Bee

By | March 1, 2012

Two researchers are trying to train bees to sniff out tuberculosis.

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image: Electron Microscopy Through the Ages

Electron Microscopy Through the Ages

By | March 1, 2012

Take a tour through the revolutionary menthod's past, present, and future.

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image: Promoting Death

Promoting Death

By | March 1, 2012

Editor's choice in biochemistry

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image: The Subcellular World Revealed, 1945

The Subcellular World Revealed, 1945

By | March 1, 2012

The first electron microscope to peer into an intact cell ushers in the new field of cell biology.

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image: Vitamin D on Trial

Vitamin D on Trial

By | March 1, 2012

Prevention trials for vitamins and supplements are notoriously difficult, but some researchers aren’t giving up on finding proof that vitamin D helps ward off disease.

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image: Ovarian Stem Cells in Humans?

Ovarian Stem Cells in Humans?

By | February 27, 2012

Adult human ovaries contain a population of stem cells capable of generating immature egg cells.

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image: New Kind of Cellular Suicide

New Kind of Cellular Suicide

By | February 23, 2012

Researchers identify a gene that drives a type of cellular suicide that differs from the more commonly observed apoptosis phenomenon.

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image: Long Live the Y

Long Live the Y

By | February 22, 2012

Despite suggestions to the contrary, the Y chromosome is not necessarily rotting away.

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image: How Tigers Get Their Stripes

How Tigers Get Their Stripes

By | February 22, 2012

For the first time researchers have demonstrated the molecular tango that gives rise to repeating patterns in developing animal embryos.

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