How does your brain help you?
Recognizing a ball, planning a movement and learning something new involve many nerve cells working together.
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Text & appearance
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Body & Experiments
What happens inside the body, and what can clear models show? Explore connections with pictures, examples and safe observations.
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What happens when we dream?
A story can arise during sleep and feel real. The brain remains active.
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Why are slime and modeling dough different?
Stretching, flowing slowly or holding a shape: a material’s behavior depends on its structure.
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What is DNA?
Tiny chemical building blocks store information living cells can use.
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How do small salt crystals grow?
Invisible dissolved salt can become visible grains again. Follow its journey step by step.
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Why does a paper airplane glide?
A folded sheet has no engine, yet it can travel through the air. How does its shape help?
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How does an electric motor produce motion?
Electric current and magnetic forces can drive a rotating part. Discover why this takes more than two fixed magnets.
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Why does my heart beat faster when I run?
Your heart pumps blood through two connected routes. Follow its journey to the lungs and body cells.
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Why does liquid nitrogen make mist?
A substance in our air can become liquid through strong cooling. Explore pictures to discover why it still boils and where the white mist comes from.
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