This tube connecting the ear and the throat was named for the scientist who illustrated it in 1552
He died on May 24, 1543, just after receiving the first copy of his book "On the Revolutions of Heavenly Bodies"
In 1569 this Flemish geographer developed a map of the world in which Greenland looks bigger than Africa
A substance whose molecules contain more than one kind of atom, like water's hydrogen & oxygen atoms
This force causes an object to travel 32 feet per second faster for every second that it falls
This one of the 6 simple machines consists of a bar resting on a fulcrum
The name of this lightest of all metals, symbol Li, comes from the Greek for "stone"
Surprisingly, the smooth soft-shell species of this reptile is said to be able to run as fast as a man
Common fuels in rockets include liquid hydrogen & LOX, which stands for this
This tusked pinniped has air sacs in its neck enabling it to keep its head above water while sleeping