In spite of highly publicized reports of shark attacks, researchers say shark attacks are very rare. More people die each year from car accidents and allergic reactions than shark bites. ... Read More

The basal ganglia is located deep within the cerebral hemispheres. It is involved in movement coordination and cognition. Major diseases of the basal ganglia include Huntington's disease and Parkinson's disease.

Chickadee chirps contain a surprisingly complex amount of information. The birds use the chirps to convey information about potential predators.

Purkinje fibers are specialized conductive fibers located within the walls of the ventricles. They are responsible for relaying cardiac impulses to the cells of the ventricles, which allow the ventricles ... Read More

A study shows that individual brain cells show activity when a particular famous person or object is recognized. This study indicates that the brain uses relatively few cells to process ... Read More

Researchers have successfully grown mice brain cells in a dish. It is hoped that human brain cells could be grown in a similar fashion to restore damaged brain cells.

The heart is an extraordinary organ that supplies blood and oxygen to all parts of the body. It is about the size of a clenched fist, weighs about 10.5 ounces, ... Read More

Do you know what a female alligator is called? The Animal Name Game is a fun and informative trivia game on the names of animals.

British researchers have discovered that two types of fungi can kill mosquitoes. Pesticide resistant mosquitoes continue to cause thousands of malaria cases each year. So far, mosquitoes have shown no ... Read More

Certain dolphins near Australia have been observed using sponges as tools. Researchers believe that the dolphins use the sponges to protect their snouts as they search the ocean floor for ... Read More

Heart valves are flap-like structures that allow blood to flow in one direction. The heart has two kinds of valves, atrioventricular and semilunar valves.

The analysis of the bones of a Tyrannosaurus rex indicates that birds may be close relatives of dinosaurs. Soft tissue found inside the T. rex bones is very similar to ... Read More

Researchers suggest that a microbe found in sea squirts can be used to produce cancer fighting compounds. These compounds, called patellamides, have been useful in the treatment of some types ... Read More