Almost exactly a year after I wrote about how one of the biggest nuclear power plants in Europe was shut down by a swarm of jellyfish that clogged its cooling system, it happened again.

According to Reuters, three reactors at France’s Gravelines nuclear power plant were taken offline Monday after a massive jellyfish swarm clogged the systems that draw in seawater to cool the reactors. A fourth reactor was reduced to half power, just in case.

This is becoming an annual tradition for the jellyfish, as in August 2025 they did the same thing, shutting down four of six reactors at the very same nuclear power plant. Back then, officials spent hundreds of thousands of euros installing cameras to improve monitoring and arranging for fishing boats to patrol the area.

While it sounds like they failed, actually, all did their jobs. The swarm was just too powerful. The fishing boats were deployed this year after early warnings, and the crews got to work using vacuum trucks to suck up the jellyfish and already reached the plant.

Three Reactors Went Offline After Jellyfish Clogged a French Nuclear Plant’s Cooling System

French utility provider EDF says the massive jellyfish swarm poses no danger to anyone and that the affected reactors will return to service soon. Don’t worry, your Godzilla nightmares will not come true, as the jellyfish are not being exposed to radiation of any kind, though the reason they were swarming a nuclear reactor is something of a weapon of mass destruction: climate change.

Warm oceans encourage jellyfish to reproduce and extend their breeding seasons. Other factors, like overfishing, habitat loss, and population declines in their natural predators, also help these blooms grow.

Obviously, this isn’t the first time this has happened, but even last year’s jellyfish clog wasn’t the first time. It’s been happening at nuclear reactors all over the world for at least a decade and a half, maybe more. Like the rest of us during the peak of summer, when it gets too hot, we retreat to cooler temps. And since we don’t seem to be doing too much about climate change, we can probably expect this to happen more often.

So I’ll see you back here in a year.

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Seemingly for the first time, a shark has invaded another shark’s privacy by filming them without consent. I don’t think the shark doing the filming consented to having a camera strapped onto its fin, so really, it’s no surprise that humans are ultimately to blame here. We just love invading privacy.

According to marine biologists from Florida Atlantic University, the researchers were surprised when a camera attached to a nurse shark recorded a four-minute encounter with a great white off the coast of Boynton Beach, Florida. It wasn’t much of an encounter. It’s mostly just footage of the roughly 10-foot-long great white and the nurse shark swimming around each other. But it provides a fascinating little peek into the day-to-day life of sharks.

A Shark Wearing a Camera Accidentally Filmed a Great White Shark

The camera was a part of a research project studying shark behavior. What better way to get a sense of what they are up to than by strapping a GoPro to one? Researchers attached a lightweight, foam-based orange device to the shark’s dorsal fin, loaded with the aforementioned GoPro camera and various sensors to take measurements as the shark swam through the relatively shallow waters.

The tag eventually popped off, washing ashore near Delray Beach several miles south of the initial application point where the researchers found it sitting just a few inches away from fresh beach tractor tire marks that could have possibly crushed the device, or, at the very least, putting the durability of a GoPro to the ultimate test.

The researchers finally looked over the video; there it was, a great white shark just hanging out around the nurse shark as both creatures had other fish clinging to them. It’s a bit more than just a cool, rare encounter. The footage is going to help the researchers better understand how different shark species interact, and also how they use South Florida’s vast network of artificial reefs.

Researchers plan to tag more sharks, including lemon sharks and great hammerheads.

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