Why is sweat salty?


Sweating is something that we all do, every day. We especially sweat on hot days, when we do exercise, and sometimes when we feel nervous! And the reason we sweat is to keep our bodies at the right temperature to work properly.

Sweat can feel wet and sticky on your skin, and sometimes it can get a bit smelly. But my 9-year-old wants to know why sweat tastes salty.

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How does my arm know how hard to throw the ball?


Throwing and catching are skills that many of us learn when we are children. They are tricky skills to learn and getting them right takes lots of practise but once we’ve got the hang of them, we can use them for playing games and sports and for passing things to people who are not standing near to us.

My friend’s daughter wants to know what happens inside her body when she throws a ball. How does her body know what to do and how hard to throw the ball?

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Where do chicken pox come from?


Chicken pox has been doing the rounds at my 3-year-old’s kindergarten over the past few weeks. It’s a common illness and many people get it when they are children. My 3-year-old caught it from her best friend and wasn’t very pleased about it.¬†She felt very poorly for a few days and didn’t like her itchy spots. She looked at me with a sad face and asked, where do chicken pox come from?

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