When did the elephant bird become extinct?

When did the elephant bird become extinct?

Madagascar’s giant, flightless elephant birds were once a common sight on the island, certainly up until the 17th century. It is generally believed that the elephant bird’s extinction resulted from human activity, perhaps not surprising when one of their giant eggs would have fed an entire family.

How long are you supposed to nap?

Taking Naps. A nap should be about fifteen to thirty minutes in duration. If you nap longer than thirty minutes your body lapses into delta, or deep, sleep. Delta sleep is difficult to wake from and if interrupted or just completed, can leave you feeling terribly groggy.

Who has stayed awake the longest?

Randy Gardner is the holder of the scientifically documented record for the longest period a human has intentionally gone without sleep not using stimulants of any kind. In 1964, Gardner, a 17-year-old high school student in San Diego, California, stayed awake for 264.4 hours (11 days 24 minutes).

Is gray a color?

Grey or gray (see spelling differences) is an intermediate color between black and white. It is a neutral or achromatic color, meaning literally that it is a color “without color.” It is the color of a cloud-covered sky, of ash and of lead.

Why is Aberdeen called the Granite City?

Aberdeen is well known as a Granite City. Many of the buildings in Aberdeen are made out of granite. Granite is a hard rock that is often used as a building material. There was once a huge granite quarry in Aberdeen called Rubislaw Quarry.

When was the US national anthem composed?

The U.S. National Anthem, The Star-Spangled Banner, was written in 1814 by Francis Scott Key. Key was sent to the British fleet in Chesapeake Bay during the War of 1812 to secure the release of Dr. William Beanes on September 13, 1814.

Who wrote the original jungle book?

The Jungle Book (1894) is a collection of stories by English author Rudyard Kipling. The stories were first published in magazines in 1893–94.

How heavy is a space shuttle?

The Space Shuttle weighed 165,000 pounds empty. Its external tank weighed 78,100 pounds empty and its two solid rocket boosters weighed 185,000 pounds empty each. Each solid rocket booster held 1.1 million pounds of fuel.