Beached whales, earworms and the 'city killer' asteroid

This Science with Dr Karl podcast episode features listener questions on various science-related topics. The hosts, Lucy Smith and Dr. Karl, address listener inquiries about tinnitus, whale beachings in Tasmania, the impact of an asteroid hitting Earth, and the effects of microplastics. Dr. Karl explains that tinnitus can stem from various factors, including eardrum noise and random nerve activity. He also details potential causes for mass whale beachings, including magnetic field disturbances and group loyalty. Listeners gain insights into the prevalence of microplastics in the human body and practical steps to reduce exposure.