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image: High-Flying Ducks

High-Flying Ducks

By Sarah Hewitt | July 1, 2015

Five species of waterfowl have evolved a variety of adaptations to adjust to the high altitude of South America’s Lake Titicaca.

1 Comment

image: Warm-Blooded Fish

Warm-Blooded Fish

By Bob Grant | May 15, 2015

The opah, or moonfish, is a deep-sea fish that regulates its body temperature more like a mammal than any of its finned kin, researchers have determined.

2 Comments

image: The Dark Side of Light

The Dark Side of Light

By Kerry Grens | May 14, 2015

Artificially extended days cause mice to gain fat and alter the function of their brown fat, a study shows.

1 Comment

image: Gut Microbes Influence Circadian Clock

Gut Microbes Influence Circadian Clock

By Anna Azvolinsky | April 16, 2015

Metabolites produced by gut microbes in mice can affect the animals’ circadian rhythm and metabolism. 

2 Comments

image: Drug Stimulates Brown Fat

Drug Stimulates Brown Fat

By Kerry Grens | January 28, 2015

A small study finds that an approved medication increases metabolic rate and the activity of thermogenic brown fat in men.

2 Comments

image: Growing Human Guts in Mice

Growing Human Guts in Mice

By Jef Akst | January 12, 2015

Researchers make more progress toward growing human intestines in mice, paving the way for better models of intestinal function and failure.

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image: Fertility Treatment Fallout

Fertility Treatment Fallout

By Jyoti Madhusoodanan | January 1, 2015

Mouse offspring conceived by in vitro fertilization are metabolically different from naturally conceived mice.

7 Comments

image: Straighten Out

Straighten Out

By Kate Yandell | January 1, 2015

Forces from bidirectional growth plates mechanically realign broken bones in infant mice.

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image: Stress Fractures

Stress Fractures

By Daniel Cossins | January 1, 2015

Social adversity shapes humans’ immune systems—and probably their susceptibility to disease—by altering the expression of large groups of genes.

6 Comments

image: Mapping the Human Proteome

Mapping the Human Proteome

By Jef Akst | November 10, 2014

A comprehensive map of human proteins throughout the body identifies the testes as home to the most unique blend of gene products.

0 Comments

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