Answers to Science Questions

Programmes always show dinosaurs as being slow. I don't they think they would have been. I think they would have...

How do they name dinosaurs and the periods of time that relate to dinosaurs?

Will man be come extinct like the dinosaurs?

I would like to tell my grandfather's country of origin from his DNA. Can I do that?

Why does cancer tend to be more common in older people?

My dad died from cancer. What are the chances that I or my brothers will get cancer? Are there genes for cancer?

My grandfather, father, aunt, all my siblings and I have had cancer. Are we an example of cancer being hereditary? The...

I just wanted to pick up on the point you mentioned about inflammatory disease. I have rheumatoid arthritis and have...

I lost my sense of smell. Can I get it back again?

Do gay men respond to pheromones from other men, as men do from women and women from men?

If smell is so important, how do we smell each other through deodorants and perfume?

I'm sure that when I was younger, personal hygiene wasn't such a big thing, especially shaving body hair.

When a woman gets pregnant, why do some men suffer false pregnancies?

What's the possibility of getting some repair in the case of damage caused by glaucoma?

Do we have stem cells when we're adults? How long do they last? Can't specialised cells divide?

Can stem cells be used to cure vitiligo?

I'm a diabetic. What do you think is the realistic timescale to cure diabetes?

What are the plant cell walls made from?

What is is success rate for stem cell therapy after heart attacks?

I stopped taking antidepressants a while ago. After two weeks I couldn't sleep all night and then wouldn't be...

Is it possible that life on Mars managed to hitch a ride on a meteorite and started life on Earth?

If a meteorite hit the earth, could life be blown onto other planets?

Do you think it's possible that future man could have conquered time travel and be coming back to look at us?

Could bomb testing make the world fall apart or cause tsunamis?