Did You Know? From Sand-Making Fish to Secret Lemon Messages

1. Did You Know Which Tower Is Eco-Friendly?
The Canton Tower in Guangzhou, China, is a tall, wing-shaped building with 71 floors. What makes it extra special? It’s also eco-friendly! Two wind tunnels run through it, letting the wind produce electricity.

2. Did You Know Which Fruit Writes Secret Messages?
You can write invisible messages using lemon juice. Just dip a cotton swab in lemon juice and write on paper. Once it dries, the writing disappears until you gently heat the paper and the message appears!

3. Did You Know Which Fish Makes Beach Sand?
The parrotfish is a big, plant-eating fish with strong teeth. It bites and grinds coral and rocks, and when it digests them, the leftovers come out as soft, white sand that builds up on the ocean floor.

4. Did You Know There’s a Train Run by Kids?
In Hungary, there’s a real train line called the Children’s Railway. It’s been running since 1948! Kids take on roles like conductor and ticket-checker, though adults are always there to keep everyone safe.

5. Did You Know Which Snail Wears Stones?
The carrier snail is a little creature with a big trick, it covers itself with shells or stones for protection. It uses a special natural glue it makes to stick the pieces to its shell.

6. Did You Know Which Stone Was Used Against Poison?
Long ago, kings and queens feared being poisoned with arsenic. They believed a special stone called a bezoar could save them. Bezoars are hard lumps that form in the stomachs of wild goats and are made of minerals like sulfur and limestone.

7. Did You Know Animals Can Sense Earthquakes?
Many people have noticed animals acting strange right before an earthquake. They might run around, make loud sounds, or even try to escape. Some believe animals can feel small movements or vibrations before humans can.