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.
Downforce makes you trust another variable: the air. If a car let's go when it's relying on aero grip, that means you're going very fast, and the crash could be monumental. But my trepidation around downforce wasn't going to be solved by a cheese-substitute. I'd need to be brave and drive one.