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41) How fast can a hummingbird flap its wings?

A typical hummingbird can flap its wings up to 80 times per second.

42) What is the atomic number of Oganesson?

Oganesson is a transactinide chemical element, first synthesized in 2002 by a joint team of Russian and American scientists. Formerly called ununoctium, it has an atomic number of 118. It was formerly thought to be a gas under normal conditions but is now predicted to be a solid due to relativistic effects.

43) What is the strongest known magnet in the Universe?

Magnetars (a type of neutron star) are the bizarre super-dense remnants of supernova explosions. They are the strongest magnets known in the universe -- hundreds of millions of times more powerful than the magnetic field surrounding Earth.

44) How many patents did Thomas Edison accumulate during his lifetime?

Thomas Edison was an inventor who accumulated 2,332 patents worldwide for his inventions. 1,093 of Edison's patents were in the United States, but other patents were approved in countries around the globe.

45) What is the name of the lowest layer of Earth's atmosphere?

The troposphere is the lowest layer of Earth's atmosphere. It starts at the Earth's surface and extends 8 to 14.5 kilometers high (5 to 9 miles). Most types of clouds are found in the troposphere, and almost all weather occurs within this layer.

46) What percentage of the cells in your body are bacteria?

You are more bacteria than you are you! The average human body is made up of 90% bacteria and only 10% human cells. Because of their small size, however, microorganisms make up only about 1 to 3 percent of the body's mass. (In a 200-pound adult, that's 2 to 6 pounds of bacteria.)

47) How much does the average cumulus cloud weigh?

The average cumulus cloud contains about 500,000,000 grams of water which equals approximately 1.1 million pounds. That nice, white fluffy cloud floating over your head weighs as much as 100 elephants!

48) What is the strongest living creature on Earth?

Scientists have recently discovered that gonorrhea bacterium is, pound for pound, the strongest living creature on Earth, capable of pulling up to 100,000 times its own body weight!

49) How long does it take for light to travel from the Sun's surface to the Earth?

It takes sunlight an average of 8 minutes and 20 seconds to travel from the Sun to the Earth.

50) What is the largest living structure on Earth?

At over 2000 kilometers long, The Great Barrier Reef is the largest living structure on Earth.