1.Finn, 7, asks: how many teeth does a caiman have?

2.Shakira, 6, asks: how many different types of plants are there in the world?

3.Robyn, 7, asks: why do cats purr?

4.Rowan, 7, asks: how many houses are there in the world?

5.Daniel, 8, asks: are everyone’s taste buds different?