Pokémon, off-grid festivals and cannabinoids

Why is red light more environmentally friendly? Which science fiction is the most realistic about our present and future? And what triggers thirst versus hunger? Dr Karl and Sci_Burst’s Ella and Isabel answer these questions and more on triple j Mornings with Lucy Smith. Got a question for Dr Karl - submit it here https://ab.co/askKarl Listen to Sci_Burst here or wherever you get your podcasts!