Todays dose of amusing interesting facts for the public

At lift off, US space shuttles weight about 4.5 million pounds. Arnold Palmer was the first player to win $1 million on the PGA Tour. A woman has approximately 4.5 litres of blood in her body, while men have 5.6 litres. A diet high in fat is said to impede memory. A Canadian Tour company offers a two-day course [...]