What is ear wax made of? And how many kinds of bacteria can be found in your belly button?

In the latest episode of Wacky But True!, host and multimedia correspondent Yeo Sam Jo explores the nasty side of the human body - from ear wax and dandruff to athlete's foot and body odour.

Wacky But True! is an interactive video quiz series for young learners to pick up fun and quirky facts.

The educational series is a collaboration with Little Red Dot, a weekly publication by The Straits Times for primary school pupils.