Facts You Didn't Know
7 Fascinating Facts About Nature, Animals and More
Explore surprising facts about weather, animals, and everyday wonders you might not have known
- Debbie Reichman
- פורסם ט' תמוז התש"פ

#VALUE!
• Did you know when lightning storms usually happen?
Surprisingly, lightning storms don’t form in the winter. They usually appear during seasons with big weather changes or on hot, dry days. These storms come from large, powerful clouds. They’re beautiful to watch but they can also be very dangerous.
• Did you know what really causes ulcers?
An ulcer is a painful sore in the lining of the stomach or small intestine. For years, people thought spicy or acidic foods caused them. But by the late 1900s, scientists discovered that the real cause is a type of bacteria called Helicobacter pylori.
• Did you know bees can make a wave?
When bees sense danger, they don’t always sting, since a bee dies after stinging. Instead, they join together to form a large, moving wave that scares off threats. Thousands of bees can join in, making it a very effective defense.
• Did you know you can make music with a glass?
Yes! If you fill a glass with water, wet your finger, and gently rub it along the rim, it will create a lovely sound. Different glasses and water levels make different tones and it's like a little concert made of cups.
• Did you know why one lake in Australia turns bright blue?
At Mount Gambier, there’s a lake that turns from gray in the winter to a brilliant blue in the summer. The lake sits inside a volcanic crater, and when the water gets warm, calcium carbonate reacts with sunlight to create the bright color.
• Did you know why your fingers feel cold first?
In cold weather, your body focuses on protecting the most important organs like your heart, brain, and lungs. So, it sends more blood to those areas and less to places like your fingers, which aren’t as critical. That’s why fingers often feel cold before anything else.
• Did you know there’s a spider that whistles?
The tarantula is one of the biggest spiders in the world. It can hunt small animals like mice and lizards. While it does have venom, its bite isn’t deadly to humans. One special thing about tarantulas is they can make a whistling sound!