Treefrogs: Understanding species diversity

Recent research on treefrogs across the world could shed new light on why some places have more species diversity than others.

Jellyfish Lake is popular for snorkeling

Snorkeling in Jellyfish Lake is a popular activity for tourists to Palau.

Forklift trucks that run on a green charge

The first forklift trucks in Europe that will run on fuel cells and with hydrogen in their tanks are on the way to the market.

Charles Darwin HMS Beagle voyage may have damaged his health

Charles Darwin might have picked up a parasite on that trip that left him with the chronic digestive problems which he was known to suffer later in his life.

Astrocytes cultivated in lab dish

Previously hard to get, an astrocytes can now be grown in the billions and trillions from a single stem cell, enabling lab studies on neurological conditions.

Top 10 new species in 2011

A group of taxonomists made a 2011 top 10 list of the coolest new animal and plant species discovered last year. A bottom-dwelling batfish tops the list.

Paraplegic man stands, moves legs

A breakthrough, 30 years in the making, is cause for cautious hope among those with spinal cord injuries. A paraplegic man stands and moves his legs.

Is a child’s lack of fear a harbinger of psychopathy?

Study suggests that psychopathy may be related not only to lack of fear but to a general problem in registering threats.

Tornadoes in 2011 were extreme

Meteorologist Jeff Masters explains science behind the fierce 2011 tornadoes in the United States.

Health care for US kids by Godron DeFriese

An April 2011 report by the U.S. Institute of Medicine has found gaps in what we know about the health care services for children in America.