Asha de Vos could have spent her career chasing her own next discovery. Instead, once she'd built up her own research, her fellowships, and her global speaking career, she made a deliberate pivot: training what she calls "an army of local ocean heroes," starting in Sri Lanka and reaching conservationists…
Seagrass loss in Maine sounds like a quiet, local story, until you hear the numbers. Maine had more than 30,000 acres of seagrass meadows in the 1990s, habitat that supports fish nurseries, stabilizes coastlines, filters water, and stores carbon. But the state didn't start mapping that seagrass statewide until 2023,…
Corals fighting for the future are living through the most extreme swings in nearly 40 years of Great Barrier Reef monitoring, bouncing between record lows and record highs faster and harder than at any point since scientists started tracking them in 1986. This isn't a reef in steady decline, it's…
Some deep-sea corals can live for thousands of years, making their protection especially important. Holly Koehler explains how fisheries management has evolved from focusing primarily on target fish to recognizing the need to protect habitats and other species associated with fisheries. It's a shift toward looking at the broader ecosystem,…
Angelo Villagomez protecting the deep sea is the throughline of this Ocean People Profile from Ocean Decoded Live, where host Andrew Lewin spotlights one of his closest friends in ocean conservation. Villagomez is a native of the Commonwealth of the Northern Mariana Islands, born in a village in the Western…
The hidden relationship between manta rays and remoras turns out to include something far stranger than simple hitchhiking. Remoras are the suction-disc fish that ride along sharks, whales, and rays, and for decades biologists assumed the arrangement was harmless, maybe even a small favour, since remoras clean up leftover parasites…
Great Barrier Reef recovery numbers just came in, and they're genuinely good news, but the full picture is more complicated than a single headline. In this episode of Ocean Decoded Live, host Andrew Lewin breaks down new survey data from the Australian Institute of Marine Science, showing hard coral cover…
Wind turbine myths debunked: that's the promise of this episode, and we hold three of the biggest ones up against the actual peer-reviewed evidence. Do offshore wind farms kill whales? Do turbines make nearby residents sick? Do wind farms tank property values? Host Andrew Lewin walks through what the research…
Ellen Spooner AI for good is the throughline of today's Ocean People profile on Ocean Decoded Live, where host Andrew Lewin explains why this marine scientist, science communicator, and fellow Canadian is someone worth following. The two have known each other online for years, through podcasting circles, without ever meeting…
Seagrass conservation usually means one thing: watching a habitat disappear and trying to slow the loss. This story is different. In Florida's Indian River Lagoon, a 156-mile estuary that has lost more than 80% of its seagrass to decades of nutrient pollution and a thick, oxygen-starved muck coating the lagoon…
Wind turbines get blamed for everything from killing whales to tanking home values, but what does the actual peer-reviewed science say? In this episode of Ocean Decoded Live, host Andrew Lewin fact-checks the biggest wind turbine myths against real research, then breaks down one new finding that, surprisingly, held up.…
A megamouth shark in the South Atlantic is officially on the record. On August 22, 2026, an adult male megamouth shark washed ashore at St. Helena Bay on South Africa's West Coast — only the second megamouth ever recorded in South African waters, and the first confirmed record of this…
Carissa Cabrera is the ocean conservationist and CEO of FutureSwell that host Andrew Lewin has wanted to spotlight for a long time, and in this Ocean People Profile from Ocean Decoded Live, he explains exactly why. Cabrera built a scientific foundation first, with a bachelor's degree in ecology and evolutionary…
Octopus mirror tests are rare in marine science, and this one comes with a genuinely clever setup: put a piece of prey behind an octopus where it can't see it directly, then give the octopus a mirror as its only way to spot that prey. Will it figure out the…
A megamouth shark sighting off South Africa is closing a scientific gap that's stood for nearly 50 years. In this episode of Ocean Decoded Live, shark scientist David Ebert breaks the story of a rare new megamouth shark specimen found on South Africa's west coast, and host Andrew Lewin explains…
Where do AI data centres go when nobody wants them on land? Increasingly, the answer companies are testing is: underwater. Off the coast of Eastport, Maine, a company called DeepGreen has proposed sinking an AI data center onto the sea floor near Kendall Head, right at the mouth of Passamaquoddy…
Community fights back against AI data centre plans off the coast of Maine, and it's exposing a much bigger question about who gets to decide what happens to a shared body of water. In this episode of Ocean Decoded Live, host Andrew Lewin breaks down the Federal Energy Regulatory Commission's…
Talking about the Shark Whisperer movie again, not with a new take, but because Andrew Lewin is revisiting the single video on this channel that got more views than anything else he's ever posted. In this Ocean Decoded Live clip, the marine biologist looks back at the critique he originally…