Sharks are boneless. Their skeletons are made of lightweight cartilage, which rarely fossilizes, so museum displays usually feature only their preserved jaws and teeth.

The Salema Porgy fish, once enjoyed for amusement in the Roman Empire, can cause hallucinations lasting up to 36 hours when eaten.

There’s a fruit that tastes like chocolate pudding. Native to Central and South America, the black sapote, or Diospyros nigra, has a flavour reminiscent of chocolate and sweet custard.

New research suggests that a person’s ability to stand on one leg, particularly the nondominant one, is a more accurate indicator of aging than changes in strength or gait.

A new study reveals that horses are much smarter than previously believed, showing advanced cognitive abilities, including the capacity to think and plan ahead.

In the United States, studies show that Democrats and Republicans rarely have each other as romantic partners. Only 8% of couples include one partner supporting the Democratic Party and the other the Republican Party.

Pineapples are actually a collection of berries, with each 'eye' on the fruit representing an individual berry that develops from a separate flower.