The value of tulips during the Dutch Golden Age in the 17th century increased so much that people began using them as a currency themselves. There are records of entire homes being sold for not yet bloomed tulip bulbs.

The largest cell in the world is an ostrich’s egg. Before fertilization, the entire interior of the egg consists of a single cell, which is approximately 15 cm long and 13 cm wide and weighs up to 2.3 kgs (5 pounds).

The pancreas is a glandular organ in the upper abdomen, but really it serves as two glands in one: a digestive exocrine gland and a hormone-producing endocrine gland.