לצפייה בתמונה
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לצפייה בתמונה
A Woman’s Illness That Changed the Law
About 130 years ago, a medicine company claimed their product would fully protect people from the "Russian flu" and promised compensation if it didn’t. A woman got sick after using it and took them to court. She won! Since then, courts around the world began seeing advertising promises as real obligations.
Why Are We Afraid of the Dark?
Fear often comes from not knowing what’s around us. In the dark, we can’t see, so our imagination fills in the blanks. That’s why the dark feels so scary, especially to kids.
Why Smooth Tires Are Dangerous
Tire treads which are the grooved patterns on car wheels, are there to help the tires grip the road. If they’re too smooth, the car can slip. That’s why it’s important to replace worn-out tires.
A Lucky Mistake Led to the Cholera Vaccine
Louis Pasteur was trying to make a cholera vaccine. His assistant accidentally used old bacteria instead of fresh ones when testing on chickens. Strangely, the chickens didn’t get sick. This led to the discovery that weakened bacteria could protect the body, helping create future vaccines.
Where Does a Bee’s Buzz Come From?
Bees and flies don’t buzz with their mouths! That familiar buzzing sound actually comes from their fast-moving wings.
How Do Halogen Bulbs Shine So Bright?
Inside halogen bulbs is a special gas called iodine. When heated, it glows brightly. That’s why these bulbs are great for headlights, spotlights, and other places where strong light is needed.
The Fish That Fishes
The anglerfish is a deep-sea fish that hunts in a clever way. It has a little “fishing rod” above its mouth, with something that looks like a worm at the end. It wiggles it to attract other fish and when they get close, it snaps them up!
*In accurate expression search should be used in quotas. For example: "Family Pure", "Rabbi Zamir Cohen" and so on