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Top and bottom countries, ranked by happiness index.

A United Nations study shows that the United States ranks 15th in happiness.

an illustration of a man shaping a bonsai tree

A photograph of downtown Houston, Texas, taken from a drone at sunset.

A National Park Service sign on a brick wall with snowy mountains in the background.

two chips on a circuit board with the US and China flags on them

A photo collage of hundreds of exoplanets

Aerial view of forest and bare hillside with trees growing on it.

A satellite image of a large hurricane over the Southeastern United States

A satellite photo of a giant iceberg next to an island with hundreds of smaller icebergs surrounding the pair

A photo of Lake Chala

A blue house surrounded by flood water in North Beach, Maryland.

a large ocean wave

Sunrise above Michigan�s Lake of the Clouds. We see a ridge of basalt in the foreground.

Infographic: The layers and functions of the human skin.

science budgets for federal government

infographic of nuclear power plant

Fukushima fuel rod infographic

infographic of human body sweat

Today�s GoFIgure looks at phobias, defined as irrational fears of things which are not likely to be dangerous.

An illustration of an asteroid in outer space