Why did they put lead in gasoline?

Why did they put lead in gasoline?

Leaded petrol contained a substance known as tetraethyl lead or TEL, a compound of lead in liquid form originally added to petrol to increase its octane rating. A side effect of adding TEL is that a layer of lead compounds forms on the valve faces of the engine, retarding wear.

How is Sake made?

“Sake is made in a double fermentation process that has more in common with beer brewing.” Sake begins with special short-grain sake rice that has been polished to remove some of its outer layers. The rice is fermented by a fungus, and simultaneously by yeast. It is usually aged for about six months.

How many different smells can your nose remember?

Your nose can smell at least 1 trillion scents. Scientists had long assumed our noses could distinguish about 10,000 odors. (TIME.com) — Human beings tend to think of themselves as visual first, auditory second, then touch and taste.

Does the prince sexually assault Sleeping Beauty in the original version?

In the original Grimm version of the story, Briar Rose is not sexually assaulted. However, in the Italian version of the story by Italo Calvino, the prince does in fact rape Briar in her sleep and her children are born.

Who made the first cookie?

The chocolate chip cookie was invented by Ruth Graves Wakefield. She owned the Toll House Inn, in Whitman, Massachusetts, a very popular restaurant that featured home cooking in the 1930s. Her cookbook, Toll House Tried and True Recipes, was first published in 1936 by M. Barrows & Company, New York.

Which queen ruled for 64 years?

Queen Victoria was the longest-reigning British monarch, ruling the United Kingdom of Great Britain and Ireland for 64 years.

When did Kerri Strug break her ankle?

Kerri Strug is best-known for one vault: a Yurchenko 1.5 twist she nearly stuck, on an injured ankle, to secure the US team the gold medal at the 1996 Olympics.

What team did Michael Jordan play for in college?

After a three-season career at the University of North Carolina at Chapel Hill, where he was a member of the Tar Heels’ national championship team in 1982, Jordan joined the NBA’s Chicago Bulls in 1984.