It all started when Robin decided to measure her 15 year old son…

She did this on a Saturday and by the Sunday morning, she measured him again and he had grown a full 2 CM! Surely not, Robin thought!

Right away, we called Dr Karl Kruszelnicki who gave us all the answers and expert advice we needed. You won’t expect what he had to say!

Get all the answers below!


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Want more? Here's one of our favourite moments from Robin Terry & Bob!