The largest flying animal
was the pterosaur which lived 70 million years ago. This reptile had a
wing span of 36-39 feet (11-11.9 meters) and weighed 190-250 pounds
(86-113.5 kilograms).
The greatest tide change
on earth occurs in the Bay of Fundy. The difference between low tide
and high tide can be as great as 54 ft. 6 in. (16.6 meters).
The highest temperature produced in a laboratory was 920,000,000 F (511,000,000 C) at the Tokamak Fusion Test Reactor in Princeton, NJ, USA.
The heaviest human brain ever recorded weighed 5 lb. 1.1 oz. (2.3 kg.).
The deepest part of the ocean
is 35,813 feet (10,916 meters) deep and occurs in the Mariana Trench in
the Pacific Ocean. At that depth the pressure is 18,000 pounds (9172
kilograms) per square inch.
The largest cave in the world
(the Sarawak Chamber in Malaysia) is 2,300 feet (701 meters) long, 980
feet (299 meters) wide, and more than 230 feet (70 meters) high.
The hottest planet in the solar system is Venus, with an estimated surface temperature of 864 F (462 C).
The ears of a cricket are located on the front legs, just below the knee.
The first electronic digital computer
(called ENIAC – the Electronic Numerical Integrator and Calculator) was
developed in 1946 and contained over 18,000 vacuum tubes.
Sound travels about 4 times faster in water than in air.
Boron nitride (BN) is the second hardest substance known to man.
The seeds of an Indian Lotus tree remain viable for 300 to 400 years.
Velcro was invented by a Swiss guy who was inspired by the way burrs attached to clothing.
The microwave was invented after a researcher walked by a radar tube and a chocolate bar melted in his pocket.
