The tiny, little-noticed jewel wasp may provide some answers as to how different species differ in size and shape. And that could lead to a better understanding of cell growth regulation, as well as the underlying causes of some diseases.
A new study reports that the disintegration of the Maya Civilization may have been related to relatively modest reductions in rainfall.
A mysterious cycle of booms and busts in marine biodiversity over the past 500 million years could be tied to a periodic uplifting of the world's continents, scientists report in the March issue of The Journal of Geology.
Climate warming caused by greenhouse gases is very likely to increase the variability of summertime temperatures around the world by the end of this century, a University of Washington climate scientist said Friday. The findings have major implications for food production.