Answers to Science Questions

How far is the nearest galaxy?

How do scientists check the distances between planets, and how accurate are their methods?

From a scientific rather than a religious point of view, why should there be a universe? Why isn't there just...

How do scientists measure the life of the sun?

How many human years are there in a light year?

If our weight is the difference between gravity and the centrifugal force of the Earth's rotation, why are we not...

He sent us an email correcting an answer given last week about the best place to put a carbon monoxide detector.

How is thunder and lightning made, and what causes it?

Why is it that cream crackers left out take a matter of a few hours to go soggy and stale, yet when put into a large...

If human and worm DNA are so similar, why are we so different?

I have a stepson who has fragile X syndrome. He was diagnosed at the age of eight and is 28 now. I'm interested in...

How many different types of DNA can you get?

Why is it that some children are born with dark hair and then go very fair when they get older, and similarly, why do...

I was fitting a multi-fuel burner in the living room and want to know where to fit the carbon monoxide detector. Should...

If tapeworms make you really skinny, why don't you give them to fat people until they lose weight and then take...

Why do people fart?

How can maggots be used in health care and experiments?

Has anyone been seriously ill from taking these worms?

I have recently bought these cool hand warmers that are filled with a gel and a metal disc. When you bend the metal...

Why do we feel better after sneezing?

How's a rainbow made in the sky?

What is the best way to burn fat from the abdominal area, or in other words, a beer belly?! And why does it collect...

When you snap a glowstick, what makes it glow?

How can I stay in one room and study and read and relax all day long and nothing seems funny. But my bedroom always...