Post your best guesses to the following 5 question - impressive answers will receive a free taster session!
1, How many different scents can your nose remember?
2, If the human eye was a digital camera, how many megapixels would it have?
3, The human brain has a chemical reaction every how often?
4, How many strands of hair do you shed every hour?
5, How many metres of facial hair does a man grow in his lifetime?