1 Gases consist of large numbers of molecules (or atoms, in the case of the noble gases) that are in continuous, random motion. 2  The volume of all the molecules of the gas is negligible compared to the total volume in which the gas is contained.  Attractive and repulsive forces between gas molecules is negligible.
Medical authorities say that Olympic sprint champion Florence Griffith Joyner died of suffocation month ago after suffering seizure while she slept; say seizure was caused by congenital abnormality of blood vessels in her brain (M)
Florence Henderson, widely known for her role as The Brady Bunch matriarch Carol Brady, has died. She was 82. Henderson died surrounded by friends and family at Cedars-Sinai Medical Center in Los Angeles after suffering heart failure, the actressâ manager Kayla Pressman said in a statement to the Associated Press on Thursday.