Embryos with the calamity mutation (shown below a normal embryo) exhibit so many developmental problems that they fall apart when they are about two days old.A humble aquarium fish may be the key to finding therapies capable of preventing the structural birth defects that account for one out of three infant deaths in the United States today.

It's a long-held view in conservation circles that rural peasant activities are at odds with efforts to preserve biodiversity in the tropics. In fact, the opposite is often true, argue University of Michigan researchers John Vandermeer and Ivette Perfecto.

A serious form of cancer that occurs in some transplant patients may arise because cells that normally serve as scouts for the immune system become weakened, a new study suggests.

A signaling molecule with an affinity for alcohol has yielded a rapid, inexpensive way to make large numbers of immune cells that work like beat cops keeping misguided cells from attacking the body.

Duke University Medical Center scientists have developed the first-ever genomic test to predict which patients with early-stage lung cancer will need chemotherapy to live and which patients can avoid the toxic regimen of drugs.

By examining more than 120,000 children under age 6 in Massachusetts over 22 years, a newly published study shows that young children--especially infants--are now more likely to be overweight. This study was based at the Department of Ambulatory Care and Prevention of Harvard Medical School and Harvard Pilgrim Health Care and appears in the July issue of Obesity.

Breath in. The air is free. But we'd all agree it's not worthless. So, what's the price tag on benefits provided by nature?