Who is John Dalton?

John Dalton FRS (6 September 1766 – 27 July 1844) was an English chemist, meteorologist and physicist. He is best known for his pioneering work in the development of modern atomic theory, and his research into colour blindness (sometimes referred to as Daltonism, in his honour).

What kind of shape is a star?

A regular star polygon (not to be confused with star-shaped polygon) is a regular non-convex polygon. Only the regular ones have been studied in any depth; star polygons in general appear not to have been formally defined.

How old was Marie Antoinette when she married King Louis?

Born in Vienna, Austria, in 1755, Archduchess Marie Antoinette was the 15th and last child of Holy Roman Emperor Francis I and the powerful Habsburg Empress Maria Theresa. 2. She was only 14 years old when she married the future Louis XVI.

What coach has won the most NCAA Tournament Championships?

UCLA coach John Wooden won 10 national championships in a 12-year period (1964, 1965, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1975).

How many hairs does an average human have?

This total takes into account not only head hair but also all the hair on various other parts of the body. In fact, the vast majority of hairs are not on our heads. People generally tend to have about 100,000 hairs on their heads, leaving 4.9 million hairs for the rest of the body.

How high are the white cliffs of Dover?

The famous White Cliffs of Dover stand guard at the Gateway to England. Millions pass through Dover each year on their journey to or from the continent. In some places over 300 feet high, the White Cliffs are a symbol of the United Kingdom and a reassuring sight to travellers.

When did Gmail come out?

Google’s email breakthrough was almost three years in the making. But it wasn’t a given that it would reach the public at all. If you wanted to pick a single date to mark the beginning of the modern era of the web, you could do a lot worse than choosing Thursday, April 1, 2004, the day Gmail launched.