Category: General

Does Federer own a plane?

Soon becoming a Billionaire, Roger Federer also has his own private jet. Rafael Nadal outside his private jet. Which tennis players have their own plane? ...

What is the pH of blood?

The pH scale ranges from 0 (very acidic) to 14 (very alkaline). Blood is usually between 7.35 to 7.45. What is the pH of blood and why? Your blood has a n...