The first chemical treatment for curling human hair involved a mixture of cow urine and water.

The last soldier killed in World War I was George Lawrence Price. He was 25 years old, and he was shot by a German sniper 2 minutes before the ceasefire went into effect.

Queen Mary I of Scotland inherited the throne when she was six days old. Her coronation ceremony was held nine months later, when she could sit up.

The boats in the It’s A Small World Ride at Disneyland are the original boats built for the 1964 and 1965 World’s Fair. They will be replaced after the holiday season this year.

Raw kiwifruit should not be mixed with milk – it contains an enzyme that will digest milk proteins.

There is a digital sundial in Genk, Belgium.

Pykrete is a frozen mixture of about 14% sawdust or wood pulp and 86% water. During World War II, it was proposed as a building material for aircraft carriers. It has a relatively slow melting rate, much more strength and toughness than plain ice, and it is bullet-resistant.

According to a survey of the color of light in the Universe, the Universe is a pale beige.

Twice a year each, sunrise and sunset line up with the east-west grid of streets in Manhattan (called Manhattanhenge, or Manhattan Solstice).

Bubbly Creek is a fork of the Chicago River. It is so named because of the pollution from Chicago’s stockyards – decomposition from methane and hydrogen sulfide gas cause it to bubble.