Episode #604

Item #1 Fiction
Manatees are highly territorial and protective of their food source, and are known to attack and kill competitors by laying on top of them in shallow water until they drown. http://www.manatee-world.com/manatee-social-structure/
Item #2 Science
The Crypt Keeper wasp lays it eggs in the nest of the gall wasp, where hatchlings infest their brains compelling them to dig out of the nest but in a hole that is too small so they get stuck, then the Crypt Keeper eats them from the inside until they finally burst forth through their head. http://www.redorbit.com/news/science/1113417200/new-crypt-keeper-wasp-species-might-be-the-creepiest-thing-weve-ever-seen/
Item #3 Science
Sea otters have been observed raping baby harbor seals to death, and sometimes keeping and continuing to copulate with the corpse for up to a week. http://www.seeker.com/the-other-side-of-otters-1765194766.html

“Scientists are just as bad as the rest of the public in following fads and being influenced by mass enthusiasm.” - Vannevar Bush