05 October 2008

Why is it that humans have three different blood groups: A, B and O. Do animals have the same blood groupings?

21 September 2008

How do smells travel underwater and how can a shark smell a drop of blood in an entire ocean?

20 July 2008

I’d like to know if there are any life forms: plant, animal, fungus, whatever that are effectively immortal?

13 July 2008

How is it possible for a Bornean flat-headed frog to have no lungs and breathe through its skin?

08 June 2008

How do fish survive in both salt water and fresh water?

18 May 2008

How long was a big dinosaur's lifespan?