You are playing outside. It is hot. What’s this? Your face feels wet. Don’t worry! It’s just sweat! Sweat is our body’s way of cooling us down.
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In the Know
Winter Activities
Winter is cold in many places. The days get shorter. … read more
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Staying Healthy
When you are healthy you feel good. You can run … read more
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Scientists look to nature for ideas. This is called biomimicry. … read more