Magnets is the answer
Swallowing one is fine. Swallowing two together is fine. But Swallow them separately and all shall fall.
What are they?
Place the two words together and rearrange them to give two 8-letter words.
SAD + STORE =
These two letters are all that stand Between the birds and the bees Put them together and you will find You've created a very big cheese.
John and Jenni are a married couple. They have two kids, one of them is a girl. Assume safely that the probability of each gender is 1/2. What is the probability that the other kid is also a girl?
Hint: It is not 1/2 as you would first think.