Heroin was once used as a cough medicine.
In the Middle Ages, all believed as did Aristotle, that the heart is the center of intelligence.
Swallows will fly all day in search of insects and sometimes they will fly more than 800 kilometers.
A human and a sloth are the only creatures that normally make love face to face.
All the bees in the world visit 3 trillion flowers every day, producing around 3,000 tons of honey.
Ben Rule of the Newport Beach in California has taken the bar exam 14 times in 19 years and has become a lawyer at the age of 74.
