1 - The world's human population currently numbers about 6.4 billion people, and the figure grows by about 76 million people each year, or around 209,000 each day.

2 - More than one-fourth of the honeybees in the United States have disappeared since last fall, and scientists are trying to figure out why.

3 - Imhotep, god of medicine, existed as a mythological figure in the minds of many scholars until the end of the 19th century, when it was established that he was a real historical personage.

4 - The weekly figure for new jobless claims rose 30,000 to 586, 000, which was more than had been expected, according to the Labor Department in US.

5 - From the orbits of the satellites circling the moon, astronomers were able to figure out the exact location of the center of the moon.