SAN DIEGO, Oct.

WASHINGTON, Oct. 19 /PRNewswire-USNewswire/ -- High school chemistry teachers and students nationwide are receiving copies of The Merck Index this week, through a partnership between the American Chemical Society and Merck & Co, Inc., for the Society's National Chemistry Week celebration, Oct.

Rohm and Haas Company (NYSE:ROH) has named the five winners of its "Having a Ball With Chemistry" National Poster Contest, held in conjunction with National Chemistry Week (Oct. 19-25). Children were encouraged to submit posters displaying why they love the sports they play.

Some would consider Rohm and Haas scientist Mario Mirabelli an expert on molecules, not baseball. Thousands of children across the country, however, know better thanks to Rohm and Haas's celebration of National Chemistry Week (Oct. 19-25).

Kids everywhere have a ball playing sports. Few of them, however, are aware of the amazing science behind the sports they love. In fact, every kick of a soccer ball or swing of a bat is an experiment. In time for National Chemistry Week (Oct.