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image: How Drugs Interact with a Baby’s Parts

How Drugs Interact with a Baby’s Parts

By Edyta Zielinska | March 1, 2012

A lot changes in a child’s body over the course of development, and not all changes occur linearly: gene expression can fluctuate, and organs can perform different functions on the way to their final purpose in the body. Here are some of the key deve

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image: Suspected Effects of Vitamin D

Suspected Effects of Vitamin D

By Amy Maxmen | 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: Calcium and the Pancreas

Calcium and the Pancreas

By Ole H. Petersen, Oleg V. Gerasimenko, and Julia V. Gerasimenko | February 1, 2012

Normal pancreatic function depends on the precise flow of calcium within and into the acinar cells of the organ. 

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image: Inflammation, Pain, and Resolvins

Inflammation, Pain, and Resolvins

By Claudia Sommer and Frank Birklein | January 1, 2012

Not all inflammation leads to pain. Despite widespread infection followed by fever, colds rarely cause pain. But when some cytokines and certain immune cells are active near pain-sensing nerves, they trigger receptors that convey pain sensations to the brain.

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image: Bat Hunt

Bat Hunt

By Cristina Luiggi | January 1, 2012

Bucknell University mammalogist DeeAnn Reeder raises nets high into the darkened forest canopies of South Sudan to catch bats.

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image: Nari's Shark Bite

Nari's Shark Bite

By Jef Akst | December 1, 2011

In February 2009, a bottlenose dolphin named Nari swam up to the Tangalooma Wild Dolphin Resort on Moreton Island off Australia’s Queensland. 

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image: Teen DNA Detectives

Teen DNA Detectives

By Kerry Grens | December 1, 2011

Genomicist Mark Stoeckle and three high school students have taken do-it-yourself science to a new level. 

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image: One-Eyed Shark

One-Eyed Shark

By Jef Akst | October 19, 2011

This is not an ancient one-eyed species, but an animal suffering from a rare congenital condition known as cyclopia, which has been documented in a variety of species, including humans. 

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image: Designing Genetic Circuits

Designing Genetic Circuits

By Jef Akst | October 1, 2011

Near the turn of the millennium, James Collins and Stanislas Leibler independently undertook rather similar projects: design what would become synthetic biology’s seminal genetic circuits. And they came up with strikingly similar action plans.

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Saving Rwanda's Gorillas

By Jef Akst | October 1, 2011

In late June 2009, a small group of mountain gorillas in Rwanda’s Volcanoes National Park began to fall ill. One by one, 11 of the dozen apes started exhibiting severe respiratory problems. 

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