Agriculture

The use of these formations could have led to the local extinction of these grazing animals.

Climate change and then humans appear to have isolated a vulnerable population of gorillas.

They display both physiological and behavioral responses when their chicks are distressed.

Residents of the settlement may have built the stone monument to mark the summer solstice.

The rice seeds are duplicates of those stored in a genebank and act as a backup in case of a natural or man-made disaster.

An archaeologist has evidence beer may have helped lead to the rise of civilization.

Nutritious and environmentally friendly, seaweed could be the crop of the future in North America, but hopeful growers and marketers of "sea vegetables" face challenges.

Deciphering story of old waterways might aid understanding of climate change.

The ancient South American Nasca civilization may have caused its own demise by clear-cutting huge swaths of forest, a new study found.

What hunger does and how people around the world suffer its consequences.