Top 10 Amazing Science Facts You Won’t Believe

1. Bananas are naturally radioactive: Because they contain potassium-40, a radioactive isotope — but don’t worry, it's harmless.

2. There are more stars in the universe than grains of sand on Earth: Astronomers estimate 70 sextillion+ stars — that’s a 7 with 22 zeros!

3. Octopuses have three hearts: Two pump blood to the gills, one pumps it to the rest of the body.

4. A teaspoon of neutron star weighs around 6 billion tons: Its density is unimaginable — like squeezing Mount Everest into a sugar cube.

5. Water can exist in all three states at once: At a special temperature and pressure called the triple point.

6. Hot water can freeze faster than cold water: Known as the Mpemba effect, and scientists still study why it happens.

7. Honey never spoils: Archaeologists found 3,000-year-old honey in Egyptian tombs — still edible.

8. Your body replaces 98% of its atoms every year: Human cells constantly rebuild — you are literally a new person every year.

9. A single bolt of lightning is 5 times hotter than the Sun’s surface: It can reach 30,000°C in microseconds.

10. Trees can communicate underground: Using fungal networks called mycorrhizae, trees share nutrients & send warning signals.