acoustics
The view from a sperm whale’s nose
What happens if you place a microphone on the tip of a sperm whale’s nose? Putting anything on the nose of a 50-foot (15-meter) giant is no easy task, but the reward is a glimpse of how the world’s largest toothed predator sees the world. Julia ZehI am a PhD candidate at Syracuse University studying […]
Minke Boings: A 50-year mystery and the science of listening in the ocean
Whale sounds are weird and fascinating, but for a long time scientists weren’t even sure that whales made sounds. The history of the study of sounds made by marine animals starts with naval submarine recordings, World War II, and mysterious sounds like the minke boing. Julia ZehI am a PhD candidate at Syracuse University studying […]
A Seasonal “Freeze” on Arctic Methane Release
According to new research from the Arctic University of Norway, current greenhouse gas budgets overestimate the amount of methane released from the Arctic Ocean to the atmosphere. Read on to find out why that’s the case, and why this news is not entirely good. Amanda SemlerI’m a PhD candidate in Earth System Science at Stanford […]
A round of underwater applause: Scientists record gray seals clapping underwater
How do you get someone else’s attention underwater? It turns out some seals may clap their flippers together the same way humans clap their hands. Marine animals make incredible sounds underwater, from the songs of humpback whales to the pops of snapping shrimp and the grunts of fish, and now we may hear the sounds […]
Ensuring that coral reefs sound like home
What does a coral reef sound like? The answer is more important than you might think. By playing the sounds of a healthy reef over a loudspeaker, scientists were able to attract a variety of baby fish to settle on a degraded reef, results which show how acoustic interventions are a tool that can be […]
The story behind the story: Understanding how mother whales communicate and the challenges of studying an endangered species
How do North Atlantic right whale moms talk to their calves? A recent paper describes new quiet calls which have only been recorded from mother/calf pairs. But there’s more to the story than just what makes it into the journal article, namely the logistical as well as emotional challenges of studying an endangered species. Julia […]
The problem with data sets: Cuvier’s beaked whales vs. Navy acoustic testing
Congratulations on the longest and deepest dive EVER! Please, ignore the regular acoustic testing…. The elusive Curvier’s beaked whale (Ziphius cavirostris) is officially the deepest diver in the sea mammal community, annihilating both the sperm whale and southern elephant seal for the illustrious title. Until now, its diving abilities have been underestimated owing to the […]
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