Science
Why Do Baby Teeth Fall Out?
Have you ever wondered why a perfectly good tooth suddenly becomes loose and wiggly?
A new permanent tooth develops underneath the baby tooth.
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Science
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Science is everywhere - inside our bodies, in animals, in the kitchen, in nature and even in the air around us.
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Science
Venom vs Poison vs Toxic
A cobra is venomous. A poison dart frog is poisonous. Carbon monoxide is toxic. But what is the difference?
Venom is actively delivered by an animal through a bite, sting or similar specialized structure.
Science
Why Do Onions Make Us Cry?
You are not sad. So why do your eyes water when someone cuts an onion?
Cutting an onion breaks open its cells and starts chemical reactions that release an irritating substance into the air.
Science
Why Do Fingers Wrinkle in Water?
Why do our fingertips become wrinkly after a long bath or swim?
Wrinkled fingers are not simply caused by skin filling with water.
Science
Why Do We Hiccup?
Hic! Where did that come from?
Under your lungs is a large muscle called the diaphragm. It helps you breathe.
Science
Why Do We Sneeze?
Why does our body suddenly go “Achoo!”?
A sneeze is one way your body protects your nose.