Did you know... Babies have around 100 more bones than adults.

The Eiffel Tower can be 15 cm taller during the summer.

Some metals are so reactive that they explode on contact with water.

A teaspoonful of neutron star would weigh 6 billion tons.

Polar bears are nearly undetectable by infrared cameras.

This is just for fun!

Examine the nuclear reacti why is this classified as a nuclear reaction rather than a chemical reaction? it is not balanced. a new compound is formed. a change has occurred in a nucleus. a new element has been formed.

The astronauts on the space shuttle flights experienced an acceleration of 29 m/s2 (about 3 "g's") during lift-off. what upward force must the astronaut's seat apply to the astronaut in order to cause this acceleration? assume the astronaut's mass is 70 kg, and compute this force when the acceleration is near the earth's surface so their weight equals latex: mg m g .

Which of the following compounds would be primarily ionic? methane, ch4, ammonia nh3, calcium chloride, cacl2, or carbon dioxide, co2