Opposing Opinions: Hawaii Bans Some Sunscreen...

Sarah Light, Wharton Professor of Legal Studies and Business Ethics, examines how efforts to repeal the EPA’s endangerment finding under the Clean Air Act could limit federal regulatory authority while opening the door to expanded state-level nuisance lawsuits against power plant ...  Show more

Jeremy Siegel, Wharton Emeritus Professor of Finance and Senior Economist at WisdomTree, explains how Iran-related tensions, Federal Reserve uncertainty, and continued AI sector expansion are influencing market resilience, investor sentiment, and the outlook for interest rates an ...  Show more

Coral reefs are the most biodiverse ecosystem on the planet and the lifeblood of a thriving ocean. Yet without action, 90 percent of coral reefs could die by 2050. Fortunately, reef guardian Theresa Fyffe has a plan. Learn how her team at the Great Barrier Reef Foundation is roll ...  Show more

Crown-of-thorns starfish (COTS) are marine invertebrates native to the Great Barrier Reef. They feed exclusively on live coral and grow rapidly, producing millions of offspring once they mature. COTS outbreaks cause significant damage to coral reefs across large areas, and are on ...  Show more

Two top scientific bodies recently announced that coral reefs around the world are experiencing a mass bleaching event for just the fourth time. It comes amid surging ocean temperatures over the past year, which has been the warmest on record. In this episode, we examine how a nu ...  Show more

Sick coral reefs are visually striking—bleached and lifeless, far from the vibrancy we’ve come to expect. But what does an unhealthy coral system sound like? In this rerun, conservation bioacoustics researcher Isla Keesje Davidson tells Science Quickly all about the changing soun ...  Show more