Lab-Grown Skin
Tissue engineers have learned to make more realistic human skin.
Science Update
Height Adjustable Desks
Sedentary workers report increased job performance and creativity after they start using adjustable …
Y Chromosome Origins
Researchers have traced the origin of the sex-determining Y chromosome in mammals.
Young Mouse, Old Mouse
Scientists use blood from young animals to restore the function of damaged tissue in older animals.
Ocean Chemicals
The U.S. has banned some fire retardants because of their toxicity. But the same chemicals are also …
27 Club Myth
Statisticians test whether famous musicians are really more likely to die at age 27.
DNA in Amber
Could scientists really get dinosaur DNA from insects preserved in amber?
Fish on Acid
Fish in acidified waters exhibit strange and often reckless behaviors.
Krypton & Ancient Ice
Scientists are using the radioactive properties of krypton to determine the age of Antarctic ice and …
Birds & Elephant Trees
Migratory gray vireos help elephant trees disperse their seeds in Baja, California.
Everest Diabetes Study
Bloodwork from climbers of Mount Everest supports theories about oxygen and Type II diabetes.
Clean Air Act Success
Samples from Greenland's ice cores suggest that the U.S. Clean Air Act has helped curtail acid rain.