10 Weird Science Facts

Bananas Are Radioactive: Bananas contain potassium-40, a radioactive isotope. But don’t worry; you’d have to eat 10 million to suffer any harm.
Water Can Boil and Freeze at the Same Time: This phenomenon, known as the triple point, occurs under specific temperature and pressure conditions.
Humans Share 50% of Their DNA with Bananas: Despite our differences, humans and bananas share a surprising amount of genetic material.
Honey Never Spoils: Archaeologists have found pots of honey in ancient Egyptian tombs that are over 3,000 years old and still perfectly edible.
You Can Hear the Difference in Hot and Cold Water: The higher viscosity of cold water creates a slightly higher-pitched sound when poured.
Your Stomach Lining Replaces Itself Every Few Days: The harsh acids in your stomach would digest the lining if it didn’t renew itself regularly.
Space Is Completely Silent: There’s no air in space, meaning sound waves have nothing to travel through.
Octopuses Have Three Hearts: Two pump blood to the gills, while the third pumps it to the rest of the body.
The Eiffel Tower Can Grow More Than Six Inches in Summer: The iron expands when it heats up, causing the tower to grow slightly.
Humans Glow in the Dark: Although the light is too faint for our eyes to see, human bodies emit a tiny amount of visible light.