Dr Karl

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National Geographic Kids

Would you like Dr Karl to speak to your class? Make a booking here.

Find Karl on Instagram

If you can't be bothered going to a Street Demonst

This Thursday, March 10, 0900-1000 (Sydney time),

At the famous Cornelia street… ❤️T.S (ps I l

Check out @wagovernment for ‘You’ve Got Questi

Join me on a fantastical journey from icy polar se

My favourite children’s book growing up was ‘T

Hoorah!! AstraZeneca second shot.

Instagram post 17891605928078774

It's #GeekPrideDay! 🎉One of my favourite pieces

Turns out that Gaffer Tape is not always a permane