Gastrointestinal Sistem

Brains that maintain healthy nerve connections as we age help keep us sharp in later life, new research has found.

Phthalates from PVC flooring materials is taken up by our bodies, according to new research.

Biologists have completed genetic studies on all five snub-nosed monkey species, providing crucial information for the conservation of these rare primates.

Like a tourist waiting for just the right lighting to snap a favorite shot during a stay at the Grand Canyon, NASA's Mars Exploration Rover Opportunity has used a low sun angle for a memorable view of a large Martian crater.

For decades, scientists believed that a spine with multiple segments was an exclusive feature of land-dwelling animals.