The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
Condoms were originally made of animal intestines or linen.
347