Research on 144 countries reveals opportunities and pitfalls of this fast-growing sector. David Colgan Seafood farming in the ocean — or marine aquaculture — is the fastest growing sector of the global food system, and it shows no sign of slowing.

Aliens, video games and brain patterns provide insights into adult learning. As a baby listens to her parents talk, her brain somehow sorts the sounds into specific sound categories. This happens even though mom and dad say the word "hello," slightly differently because of accents or pitch.

The bell tower of Rockefeller Memorial Chapel is normally populated by tourists and the University's carillonneur. But scientists recently scaled its 271 stone steps to the highest point on campus in order to study air quality and pollution across Chicago.

The map on the left shows countries where per capita GDP increased or decreased as a result of global warming between 1961 and 2010.

Upper respiratory infections remain one of the most common triggers of asthma attacks in children, but not every cold leads to a dangerous worsening of symptoms, even among children with severe asthma.

Detailed models provide insight into 3-D structures of genes and the role of 3-D organization in gene function A Los Alamos-led team created the largest simulation to date of an entire gene of DNA, a feat that required one billion atoms to model.