A science presenter, writer, speaker & former TV host; author of The Skeptic's Handbook (over 200,000 copies distributed & available in 15 languages).



Australian Speakers Agency


The nerds have the numbers on precious metals investments on the ASX

The Skeptics Handbook

Think it has been debunked? See here.

The Skeptics Handbook II

Climate Money Paper


Hands-on science

For the big kid in everyone. Curious, Delightful, Cute.

Some favourite tricks

    Balloon-in-the-bottle pic

  1. Air powered water rocket!
  2. Big bubbles
  3. Bubbles and clouds in ice
  4. Diver in a bottle
  5. The water-balloon-in-the-bottle-trick (or egg-in-the-bottle trick*)

SAFETY NOTE: These activities can be harmful if they are not done carefully. Joanne Nova and/or Science Speak can not accept any liability for events that occur as a result of the activities described herein. We recommend that an adult supervise children attempting these experiments.

Serious Science Party Tricks: a book full of the best experiments


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