1. A four-year-old child on average asks 400 questions a day.
2. Cows can become true friends and experience the pain of separation if they are separated from each other. They also understand when they are being called names and may cry.
3. Half of all people who have reached the age of 65 in the history of mankind are still alive.
4. Astronaut helmets have a special device to scratch the nose.
5. The probability of becoming president for each person is higher than winning the lottery. By the way, dying on the way to get a lottery ticket is also more likely than winning.