Why do we crave certain foods even if it's been years since we last ate them? Why do giraffe's have blue tongues? We know black holes exist, but do are there also white holes?

Dr Karl answers these questions and more, on triple j mornings with Lucy Smith.

Food cravings, giraffe tongues, white holes

Join Dr Karl Kruszelnicki, Lucy Smith and their scientific guests, with a bunch of curious triple j listeners for a weekly injection of science, myth-bashing and answers!

Science

Why does my voice wobble when I have vulnerable conversations? Why does food taste different at different temperatures? And how do you grow seedless mandarins if they have no seeds?

Dr Karl answers these questions and more on triple j Mornings with Bec Charlwood.

Tick bites, dirty diamonds and the bacteria takeover

What impact does trauma have on your memory? Why do chillies burn your tongue and lips but not your throat? And could octopuses take over the world? 

Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Flushing etiquette, growing pains and heat vs temperature

Why do some medications reduce your sex drive? Why do dogs bite their own tail? And if you were preparing for the end of the world, what is the one medication you would take with you?

Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Cloning dinosaurs, inbreeding implications and the soft cheese crisis

What is it about beans that make us fart? Why do we lose muscle so quickly? How does a drink's temperature impact its fizz?

Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Tea wees, volcanic extinction and muscle loss

Why do old people have such a distinctive smell? What would happen if gravity suddenly doubled? And why do my limbs always swell during a flight?

Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Food cravings, giraffe tongues, white holes

Download our free app to listen on your phone