A jiffy is a proper unit of time. It is exactly 1/100th of a second. This is slower than a Planck which is sextillion times faster.
100 Mind-Blowing Proper Facts
Cats can’t taste sweet flavours. This is mainly because they do not possess the base pair of genes that detect sweet flavours. As a result, sugar does not code on their tongues as proper proteins.
The lungs are the only organs that can float on water. The shortest explanation is that air is less dense than water. With air in our lungs, we float. Each lung cavity has about 300 million balloon-like structures called alveoli. Proper breathing is crucial to swimming because you’d sink (not to mention, drown) without air in your lungs.