Answers to Science Questions

If you get an ice cube and put it in a glass of water, when it melts it has exactly the same volume. This is the reason...

As a radio amateur, I know that trying to get a signal very far away is hard unless the conditions are exactly right....

New Horizons is supposed to be the fastest spacecraft yet. I'm wondering when it will surpass the Voyagers as the...

I have question about asteroids. If someone was to land on one, would they have to hold on like if they were on the...

If it takes huge dishes to send signals into space, how do things like Venus or Mars rovers send their signals back...

Why do eggs make things rise when they're baked, and why does yeast make dough rise?

How does a chameleon change its skin colour so fast and is there any molecular mechanism that's known to underlie...

I never know which plastics can be recycled and which can't. Also, how is it all recycled? What's the...

My local council has told us to stop putting plastic carrier bags in the recycling bin. The reason allegedly is that...

What happens to syringes and how do they get recycled?

We reckon that all the polar ice caps are melting. Assuming that they've all melted and the water levels have all...

I've heard that there are only two major recycling plants in the UK and the rest is sent abroad in boats. If this...

We're on an island surrounded by water. How come we've got a water shortage?

Why are we encouraged to shred all paperwork but we're not allowed to put shredded paper in the recycling bin?

I have a question about anti-diarrhoea tablets. I've never been in favour of over-the-counter remedies but...

Down here in Puerto Rico we're supposed to have the largest radio telescope in the world. Is that true, and in...

What do people do to plants to make them genetically modified?

How does taking herbal remedies such as St. John's Wort affect giving blood? Should you tell the blood donor...

You were talking earlier about a drug that keeps people awake. The military have been issuing amphetamines for years to...

Why is it that when you put something metal in the microwave, you get a firework display, and yet the inside of the...

Why do milk and orange juice or orange juice and toothpaste taste so disgusting together?

I know it sounds a bit crude, but I was wondering why farts seem to smell a bit worse and linger longer when we're...

I was wondering if you could tell me whether my male dog is sensitive to my menstrual cycle? I've brought a puppy...

What is the fifth taste you can sense on your tongue?