Vet Stuart Eves helps dish up an answer to Annie's question...
What actually is a calorie...
What makes our own cells safe from antibiotics?
What on Earth is a neutrino?
"What's worse - fat or sugar? Who really are the bad guys nutritionally speaking?"
Can your mood influence your immune health?
Can a broken heart harm your health?
Why are some of us drawn to food when we're stressed?
As the volume of water in the ocean increases, sea level does not rise uniformly everywhere...
And how would they know your blood group anyway?
What happens during cataract surgery?
What's a server farm, and how might they be affected by climate change?
Where do birds sleep? If it's in trees, why don't they fall out when they nod off?
How fast is technology progressing?
How much acceleration can the human body stand?
What powers the light and how long can they keep it up?
Quantum computing is here! But when might we have quantum computers in our pockets, or on our desktops?
What can blind people actually "see"?
Why do double-egg yolks exist?
How do we choose who should colonise Mars?
Why, and how often, do we blink?
"Will space tourism ever be affordable?"
If you wipe dew of a windshield at below-zero, why does it suddenly freeze solid?
Could you eat a triceratops?
What will be the impact of SpaceX's Starlink project?