Answers to Science Questions

How does somthing like that get going?

Why was cyanide Agatha Christie's poison of choice?

How to steal speed from Saturn.

Should I drink what I boiled my veg in?

Why don't we use MRIs to diagnose depression?

Is it easy to look for toxins?

Pluto has Charon, Neptune has Triton...we just have Moon?

What happens if the Earth's magnetic field ever reverses its polarity? Geologist John Underhill explains...

Why do some people sneeze when they eat dark chocolate?

Why doesn't my phone have constant signal when it doesn't move?

We finally address the real question: why do banana peels sometimes have 3 segments, sometimes 4 or 5?

DNA mutates all that time, so what's to stop it affecting an important part of our biology?

Tim Revell demonstrates how a computer examines a face...

And what about the rest of the world too?

If lots of people switch over from petrol, then how will they charge their cars without private parking?

There's debate on our forum over how to muffle a chainsaw...

And if so, is it growing or shrinking?

Would your body understand it, and what would it do?

Are there ways to improve them to generate more renewable energy?

If light is sometimes a particle and sometimes a wave, would two rays bounce off each other or pass through?

Climate scientist Ella Gilbert sets the record straight...

And which are the best sequences to pick?

What's the best way to heat your home?

Do hairs grow out grey, or do hairs that had colour eventually turn grey?