Expressing recognition rather than love, Utah prairie dogs exchange "kisses." By the touching of incisor teeth, they quickly confirm the identity of group members.

Arrangement in Grey and Black: The Artist's Mother, famous under its colloquial name Whistler's Mother, is an 1871 oil-on-canvas painting by James McNeill Whistler. Anna McNeill Whistler posed for the painting while living...Read More

The largest iceberg ever seen in the Antarctic region had a length of about 200 miles (320 km) at its longest point and a width of about 60 miles (97 km) at its widest point. It covered about 5,000 square miles (13,000 sq ...Read More

In 1995, each American used an annual average of 731 pounds of paper, more than double the amount used in the 1980s. Contrary to predictions that computers would displace paper, consumption is growing.

Not in Australia -- When Burger King decided to expand its operations into Australia, it found that its business name was already trademarked by a man running a small takeaway food shop. Consequently, the first Australian ...Read More

Seating on the first scheduled intercity commuter airplane flight consisted of moveable wicker chairs. There were 11 of them on the first Ford Tri-Motors. After several years, Ford replaced them with aluminum-framed ...Read More