### How much does the temperature change with altitude?

Although the actual atmospheric lapse rate varies, under normal atmospheric conditions the average atmospheric lapse rate results in a temperature decrease of 6.4C°/km (3.5F°/1,000 ft) of altitude above ground level. The measurable lapse rate is affected by the moisture content of the air (humidity).

Comedy Central is an American basic cable and satellite television channel that is owned by MTV Networks Entertainment Group, a unit of the Viacom Media Networks division of Viacom.

170-year-old bottles of champagne were found on the floor of the Baltic Sea. The bottles of bubbly are estimated to have been traveling from Germany to Russia during the 1800s when they sank to the bottom of the sea, says New Scientist. Turns out that the bottom of the sea, where temps are between two and four degrees Celsius, is a great place for wine aging. Oenologists, people who study wine and winemaking, sampled the champagne and described it as, “sometimes cheesy,” with “animal notes,” and that it had elements of “wet hair.”

Grandfather clock, also called longcase clock, tall pendulum clock enclosed in a wooden case that stands upon the floor and is typically 1.8 to 2.3 metres (6 to 7.5 feet) in height. The name grandfather clock was adopted after the song “ Grandfather’s Clock, ” written in 1876 by Henry Clay Work, became popular.

Rats multiply so quickly that in 18 months, two rats could have over a million descendants.

Elvis was named after his father, Vernon Elvis Presley, and Mr. Presley’s good friend in Tupelo, Aaron Kennedy. Aron was the spelling the Presleys chose, apparently to make it similar to the middle name of Elvis’ stillborn identical twin, Jesse Garon Presley.

Uranus: Planet Uranus is rotating on its side. The direction of Uranus’s rotational axis through its north pole is almost in the direction of its orbit around the Sun, hence its axial tilt is 97.77 degrees.

Located on the roof of One Times Square, the ball is a prominent part of a New Year’s Eve celebration in Times Square colloquially known as the ball drop, where the ball descends 141 feet (43 m) in 60 seconds down a specially designed flagpole, beginning at 11:59 p.m. ET, and resting at midnight to signal the start of the new year.