Answers to Science Questions

How are seedless grapes grown?

If you could drill a hole from the North Pole to the South Pole, and it was big enough to drop a stone through, would...

When you fry popadoms, why does it curl upwards away from the layer of oil?

Humans spend all our lives one way up. So when we stand on our heads, everything is upside down. Bats spend half their...

We can successfully insulate against heat, and against light, and against sound. Is it possible, do you think, that we...

I'm right in thinking that matter cannot be destroyed. So is it such that everything that has been created in...

Is it true that lightning never strikes in the same place twice?

Where do seedless grapes come from?

Is it true that if you add fizzy mixers to alcoholic spirits you get drunk more quickly than if you added the same...

Can the muscles in the lower part of the bowel be repaired?

While I'm working, what percentage of my brain is being used?

On last week's show you were talking about polonium 210 being difficult to obtain but in fact anyone can buy it...

The big bang theory... what went bang?

What's a flame made of? Is it made of carbon, and if so can substances that don't contain carbon actually...

What would happen if you lit a match in space? Considering there's oxygen in the air on a space station but no up...

According to the Hubble space telescope, the known universe is expanding. What is it expanding in to and how far can it...

Why don't spiders run out of silk?

What happens physiologically when the body is cut off from oxygen?

Can magnetic anti-shoplifting strips get reactivated after your purchase, causing alarms to go off? How do they work?

If space has a curvature and is expanding outwards, how long before it goes around in a circle and kicks us up the...

What limits the length of the human life?

How does a fly land on the ceiling? Aren't its wings beating in the wrong direction?

What happens if you fire a two bullets from an aircraft moving at 1000mph? One is fired forwards at 1000mph and the...

What are the properties of baking soda that allow it to alleviate nasty odours in my refrigerator?