<p>A hand-built camera with suction cups captured something no one had ever seen: two sperm whales communicating and swimming together in the deep ocean. Engineer Eric Stackpole shares the story of how a scrappy, DIY tool revealed this intimate glimpse into the lives of these giants — and makes the case that the only limit to what we can discover is what we're curious enough to explore.</p><p><em>Learn more about our flagship conference happening this April at&nbsp;</em><a href="https://attend.ted.com/podcast" rel="noopener noreferrer" target="_blank"><em>attend.ted.com/podcast</em></a></p><hr><p style='color:grey; font-size:0.75em;'> Hosted on Acast. See <a style='color:grey;' target='_blank' rel='noopener noreferrer' href='https://acast.com/privacy'>acast.com/privacy</a> for more information.</p>