41.   They said warehouses with highly poisonous chemical substances were located near the ammunition stockpiles.

42.   German police seized suspicious chemical substances in a huge operation launched last week against neo-Nazi militants, the daily Bild said in its Saturday edition.

43.   Investigators will question the man as soon as he recovers to find out why he kept toxic chemical substances, police said.

44.   Chemical substances and gas masks were found in the car, Jiji Press said.

45.   Earlier, Serb television cautioned the population against using drinking tap water, which it said may have been contaminated by chemical substances in the NATO bombs.

46.   FBI agents Friday continued to study the chemical substance contained in a package delivered to a prominent international Jewish organization here.

47.   It does so by becoming both a neurotransmitter, a chemical substance that transmits signals from one nerve cell to another, and a stimulant, the report said.

48.   Ten grams of an unidentified chemical substance exploded, injuring the two researchers, whose lives were not believed to be in danger.

49.   The Asahi newspaper said Thursday detectives discovered a chemical substance at the commune in Kamikuishi that was also found in Sarin liquid found in a Tokyo subway train.

50.   The genetic blockage of a chemical substance in the brain may lessen food consumption among overweight mice, says a new study published Friday in the journal Science.