Science Facts

EXPLODING WATER

Have you ever noticed that when you heat water in the microwave, and then add something to the water, such as a teabag, there will be a rapid and ...

NEUTRON STARS

A neutron star is what remains after a supernova explosion, if it doesn't have enough mass to turn into a black hole. It weighs more than the sun, ...

BLOOD COLOR

Human blood carries oxygen by binding it to the pigment hemoglobin, which contains iron and is red. But other creatures use different compounds to ...

RATTLING PIPES

Ever wonder why your pipes rattle and "thud" when you shut off the water? Bends in copper pipes expand under pressure, and then suddenly snap back ...

HELIUM BALLOONS

Ever tried the old party-trick which involves inhaling helium from a balloon, causing your voice to sound very high and squeaky? This works because ...

THE MILKY WAY

There are about 200 billion stars in the Milky Way galaxy. The galaxy is spiral-shaped, so when you see the streak of the Milky Way across the night ...

STATIC ELECTRICITY

Ever notice that when you walk across a carpeted floor and then touch a doorknob, sometimes you get a small shock? That's static electricity. Static ...