MDA is a man-made (synthetic) recreational drug noted for its stimulant and psychedelic properties that has been used since the 1960s as a clubbing and sex-enhancing substance, with some similarities to LSD and MDMA (ecstasy). Sought after effects.
The soaring temperatures that Las Vegas is experiencing this week could cause grief for pilots at other airports, because heat thins the air and makes it more difficult for aircraft to lift at take-off. To deal with that, pilots need to gain more momentum as they roll down the runway before reaching liftoff speed.
Q. When can we take our baby on an airplane to go see Grandma? A. An airplane is no place for a newborn. Many planes use recirculated air, which means that if one person has a cold, his germs are broadcast throughout the plane by the ventilation system. That's no problem for adults, whose mature immune systems can fight off germs.