Cotard’s syndrome, also called “walking corpse syndrome,” is a condition wherein the patient believes they are dead, dying, missing parts of their bodies, or don’t exist.

Bored ducklings can become cannibals.

Egyptian mummies wouldn’t be so rare today if the Victorian British hadn’t eaten most of them.

Capgras Syndrome is a mental delusion where you believe that the people closest to you have been replaced by impostors.

Statistically speaking, if you are a woman and get murdered, it was most likely by a family member, partner or ex-partner, in your own home. If you are a man and get murdered, it was most likely by an acquaintance or stranger, in a public place.

Less than 10% of all species even have the possibility of being fossilized, and even more will never be discovered. So we only know about the existence of about 3% of all macroscopic life.

Once you have the first symptom of Rabies, it is too late to reverse.

If you have a parasite in your body, there’s only a slim chance you’ll know about it before it pops out of your skin or leaves through the back door.

You can be seriously Injured from a sneeze.

If given access to it, butterflies will happily drink blood.

There’s a 1-in-3 chance police will never identify your killer if you’re murdered in the US.

Sharks have been around for at least 420 million years, meaning they have survived four of the “big five” mass extinctions. That makes them older than humanity, older than Mount Everest, older than dinosaurs, older even than trees. Yet we could potentially see them extinct in our lifetime.