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.

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.