Which bird is the fastest swimmer?

Which bird is the fastest swimmer?

In flight, the fastest bird is the spine-tailed swift of Siberia which can reach speeds in excess of 100 miles per hour, but the fastest bird in the water is the Gentoo penguin, which swims at about 22 mph. (Watch this video of a Gentoo swimming madly to avoid a pod of hungry orcas.)

Is the brain the size of your fist?

First, put your two fists together, fingers touching. This is the size of your brain. It weighs about 3 pounds.

Can you go blind from looking at a solar eclipse?

While it may be tempting to brush off warnings against looking up at this eclipse bare-eyed, don’t: The light of an eclipse really can damage your eyes — though warnings of total blindness are likely overstated. The condition is called solar retinopathy, and it occurs when bright light from the sun floods the retina

Is a fox a canid?

Foxes are part of a large family called Canidae, which includes wolves, coyotes, and domestic dogs. They all have long snouts, but unlike most other canines, you’ll find a little cat in every fox.

Who came up with the term sociology?

In 1838, the French-thinker Auguste Comte (1798–1857) ultimately gave sociology the definition that it holds today. Comte had earlier expressed his work as “social physics”, but that term had been appropriated by others, most notably a Belgian statistician, Adolphe Quetelet (1796–1874).

What does jury nullification mean?

Jury nullification occurs in a trial when a jury acquits a defendant, even though the members of the jury believe the defendant to be guilty of the charges.

Do sharks have any bones in their body?

Skeleton. Shark skeletons are very different from those of bony fish and terrestrial vertebrates. Sharks and other cartilaginous fish (skates and rays) have skeletons made of cartilage and connective tissue. Cartilage is flexible and durable, yet is about half the normal density of bone.

Why was Ken Mattingly replaced for the Apollo 13 mission?

Mattingly’s first assignment was to be the Command Module Pilot on the Apollo 13 mission. Three days prior to launch, he was removed from the mission due to exposure to German measles (which he never contracted) and was replaced by the backup CM pilot, Jack Swigert.