Outback hygiene hacks, echidna entrées and a world without friction

<p>How do First Nations teachings inform modern-day science? Do animals love the same way humans do? And how do spiders find their way home?</p><p>Dr Karl, Corey Tutt and Tiahni Adamson answer these questions and more for this NAIDOC Week special of Science Hour on triple j Mornings with Lucy Smith. </p>