A lake has a small patch of lily pads and every day the patch grows to double its size. It takes 32 days for the patch to cover the lake – how long would it take the patch to cover half the lake?
You have about 70,000 thoughts a day. Can you remember them all? You’ll be surprised to know that half of our brains can be removed by surgery with no apparent effect on personality or memory. It makes you wonder what is really going on in that squishy organ, doesn’t it!