It is said that certain drugs can multiply ones capacities tenfold…What happens though, when someone is dumb to start with?

When an airplane explodes, the so called “black box” always seems to remain intact…Why don’t they construct planes using the same metal?

If I was to ask a taxi driver to take me home in reverse…When we reached my place,- would it be him who owes ME money?

Deaf people communicate using sign language…How do they tell each other a secret?…Do they wear mittens?