Strange light pillars appear in the night sky of Japanese town, blowing people’s minds

A Japanese man captured the sight and posted on X, attracting the attention of millions of people.

By

Neha B.

May 31, 2024

By Neha B.

May 31, 2024

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Photo credit: @maashii_taiyo (L); @totoro8201 (R) – Cover Image Source: X

A photo is going viral on X, captivating and baffling millions. The surreal night sky image from Japan, uploaded by Masashi Sasaki (nicknamed Mashi) on May 11, 2024, has garnered over 12 million views.

Representative Image Source: Photo by Dan Kitwood/Getty Images

Mashi captured a rare phenomenon in the night sky of a coastal town, sharing it with the caption, “A streak of light was spotted in the sky above Mikuriya Port in Daisen Town, Tottori at around 10 pm today.” The image shows nine eerie pillars of glowing white light hanging in the sky like magical wands.

The picture left over 70,000 people in awe. Some compared it to scenes from the anime “Neon Genesis Evangelion,” while others likened it to sci-fi movies. Viewers described the pillars as “divine” and “sacred.” @kohinata_87 wondered if it was an aurora, translating roughly to, “Aurora? The white light was amazing and visible even in Tottori. Beautiful and mysterious.” @shirlen_ray called it a glimpse of “paradise.”

@megroom22 exclaimed it looked like “an entrance to a mysterious world!” Some thought the lights were bad omens. “What is this!? It feels like you might be abducted by aliens,” said @ariimom. Thankfully, it was neither. Mashi, a travel producer, explained to Japanese publication Hint-pot that locals call this phenomenon “Isaribi Kochu.”

Representative Image Source: Tracers and flares leave streaks in the night sky. (Photo by © CORBIS/Corbis via Getty Images)

According to Japan Today, “Isaribi Kochu” literally means “fish-attracting light pillars.” “Isaribi” refers to the lights that are placed on fishing boats to attract more catches. The practice is fairly common in squid fishing. The light from fishing boats operating offshore at night refracts into the sky, producing vertical light pillars.

Representative Image Source: Pexels | orlovamaria

These light pillars are optical phenomena caused by the refraction of light from ice crystals, per AccuWeather. The gleaming pillars tend to take on the color of the light source such as a street light. CBS News further explained that these light pillars require really cold temperatures to form, but they can sometimes thrive in temperatures a little warmer than 0°F.

Representative Image Source: Pexels | akshar dave — Representative Image Source: Pexels | Akshar Dave

Humidity and winds blend to create hexagonal-shaped ice crystals that get suspended in the air. In cold regions, the flurry of crystals may form a cluster near the ground. When the light from the surface hits these crystals, it gets refracted. The refraction results in the appearance of the light pillars. Mashi told Hint-pot that he saw this coruscating scene in front of his house and immediately picked up his mobile phone to take a photo. “I’ve received a variety of comments about the scenery that can be seen while living in Tottori, and I think it’s interesting that each person has a different way of looking at it,” he added.

via GIPHY

Mashi, however, isn’t the only person to have witnessed this brilliant phenomenon. A person who goes as @totoro8201 on X, commented on Mashi’s post, sharing a similar “light pillars” photograph. “I also saw it at Nariishi Beach in Kotoura Town,” their caption read.

琴浦町の鳴り石の浜でも、見ました pic.twitter.com/bFxmIUhSdJ— あーちゃん (@totoro8201) May 11, 2024

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Photo credit: Canva – Donkeys and other livestock could help prevent mass wildfires.

Environment, Science

A Spanish park has been free of wildfires for over a decade thanks to 18 donkeys

Gnawing our way to a wildfire solution.

Erik Barnes

7/9/2026

According to NASA, wildfires have doubled worldwide due to climate change. Throughout the globe, governments and environmentalists have been trying to find ways to curb the fires. One particular national park in Spain has found a solution that has been keeping them fire-free for over a decade: donkeys.

Since 2014, the Firefighting Donkey Battalion unit consisting of 18 donkeys has been preventing wildfires in Doñana National Park in Doñana, Spain. The mission these donkeys do is simple: eat the dry brush that usually sparks and fuels wildfires. The donkeys spend up to seven hours a day using their voracious appetites to graze and clear a 130 by 50 feet area of dried grass, scrub, and other vegetation.

Why donkeys?

While humans can do this type of clearing out of dry brush, using donkeys for this work is arguably more effective. While it is a slower process, it is consistent and thorough. Donkeys are able to quietly patrol in areas that are inaccessible to vehicles. In exchange for the feasting, the donkeys get about eight gallons of water and rest. No money or fuel needed.

The donkeys’ bodies are also pretty much built for this kind of environmental work, too. Their stomachs are built to eat the same rough and dry grass repeatedly without issues. These daily grazings slowly but surely remove potential origin sources for fires. As a bonus, the donkeys are naturally disposing of the dried vegetation whereas humans would have to find a different way to dispose of it.

Having donkeys or other livestock graze in such areas was once more common in agriculture prior to modern farming. Some argue that the machinization of farming and urbanization have reduced the number of grazing animals. This in turn allows more vegetation growth that become dry spots for more wildfires to occur.

The method expands

This method has been so successful that other areas of Spain have adopted it. In 2020, Tivissa launched the Burros Bomberos project with three donkeys to so much success they’ve expanded. They now have 40 donkeys grazing and clearing nearly 400 hectares of land.

The Andrea Association in Allariz uses a team of donkeys to clear and maintain nearly 1,000 hectares of a biosphere reserve. Using GPS to monitor the donkeys’ activity, the group of grazers travel 19 kilometers per day to feed. Similar initiatives have since started in Basque Country, Catalonia, and Galicia, too.

Other ways to combat wildfires

In the United States, California has been using goats in a similar function. The group Fire Grazers Inc. has been contacted throughout California to bring hundreds of goats to eat dried vegetation. Much like donkeys, goats are built to eat rough and dry brush. This includes certain plants such as star thistle that are painful for human hands to grab.

It’s important to note that donkeys or other animals that eat dry scrub are the primary solution to wildfires. The same folks behind these initiatives also advocate proper forest planning and land management. This includes reducing the amount of easily flammable species of plants and trees such as pine. It takes thought, care, work, and maybe a bunch of donkeys to make a difference.

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Photo credit: SKashkin/iStock / Getty Images Plus – Does that look tasty?

Environment, Science

Beyond birds and mice, free‑ranging cats eat a surprising number of insects

Cats’ wild diet goes far beyond birds and mice

Good Partner

7/8/2026

Christopher A. Lepczyk

Daniel Rubinoff

Jean E. Fantle-Lepczyk

It’s pretty commonly known, and not very startling, that free-ranging cats eat birds and small rodents. But the degree to which they eat insects might surprise you.

We are biologists who for many years have been trying to figure out what feral or outdoor-roaming pet cats eat outside.

When domesticated cats – Felis catus – live freely in the wild or are allowed to hunt outside the homes where their owners live, they are an invasive species, which live in every ecosystem of the world except the continent of Antarctica. We wanted to know all of the species they eat – and to what degree free-ranging cats are eating endangered or threatened species.

Examining reams of research

Over the past two decades, we have evaluated hundreds of scientific findings, including searching through Google Scholar and Web of Science using the keywords “cat predation,” “feral cat,” “cat diet” and “Felis catus.” For each item we found, whether peer-reviewed or not, we evaluated whether it contained conclusive evidence of cat diet or predation. We also reviewed each one’s reference section for additional unique articles or databases pertaining to cat diet and predation, and included those in our search.

Overall, we identified 533 unique publications – books, journal articles, theses and agency reports – that reported specific animal species consumed by cats. Cats’ plant-eating habits are occasionally, but haphazardly, noted in studies, so we did not include them in our analysis.

Our initial work focused on an overall assessment of what free-ranging cats eat around the world. Published in 2023, this paper analyzed the 533 studies on cat diet or predation events published over more than a century and found that cats ate nearly 2,100 different species of animals, including invertebrates.

Of those 2,100, the International Union for Conservation of Nature’s Red List of Threatened Species listed 347 as “near threatened,” “vulnerable,” “endangered,” “critically endangered” or “extinct” in 2023. Some of the species went extinct during the many decades covered by the data.

Insects and the like

Most of the species cats ate were vertebrates – mostly birds, followed by mammals and reptiles. But the data also indicated that at least 7% of the species cats eat are insects and other invertebrates, particularly beetles, and less frequently crustaceans, arachnids, centipedes, snails and slugs, and millipedes.

Many of the cat studies we reviewed did not report on how many individuals of a given species cats ate, so it was unclear what the total amount of insects was or how many calories cats are deriving from insects.

Invertebrates make up more than 70% of all terrestrial animal species and are important pollinators, predators and herbivores in virtually every nonmarine ecosystem. Many invertebrates are in decline globally due to urbanization, habitat destruction, increases in both light and pesticide pollution, and climate change. So we dug deeper into the data to understand what invertebrates cats are eating.

While a little more than one-third of all the studies we analyzed included invertebrates as part of cats’ diet, most of those failed to identify specific species of invertebrates. But we were able to find identifications of 148 invertebrate species.

Of those, two are considered endangered by the International Union for Conservation of Nature: the Aldabran grasshopper (Pternoscirtus aldabrae) in Seychelles and the Tasmanian giant freshwater crayfish (Astacopsis gouldi), which can grow up to 13 pounds (6 kilograms). Two others are considered vulnerable: wētāpunga (Deinacrida heteracantha), an insect native to New Zealand that can be about the size of a mouse, and the common yabby (Cherax destructor), a freshwater crayfish native to southeastern Australia. One other, the Canary Islands horned beetle (Arhopalus pinetorum), is listed as “near threatened.”

Not surprising: Cat eats mouse. Julian Stratenschulte/picture alliance via Getty Images

Effects on populations

We have not found formal research evaluating how cats’ eating habits affect invertebrate populations. And for many species, they are likely not as significant a factor as wide-scale pesticide use.

But it’s possible that cats could be significant contributors to the deaths of rare species or in specific locations.

Cats require a large amount of protein, as much as one-third of their daily diet, and invertebrates are good sources of protein.

In many places, invertebrates provide an easy source of food. Whether in an urban backyard or on a remote island, cats are unlikely to turn a blind eye to available prey. And some cats may find it entertaining to chase, catch and eat insects even if they don’t need their nutrition.

A challenge of researching this question is that many invertebrates are relatively small, which makes direct observation in the field harder and can require more analytical approaches in the lab. And they have soft bodies, without distinguishing characteristics that could be easily recognized in scat or stomach contents.

However, molecular technologies can identify species using trace amounts of DNA left in the environment by animals. Promising new studies are beginning to identify what cats eat by analyzing the DNA found in their stomachs and scat. That research may help explore in even more detail what cats are eating in the outdoors, and how it’s affecting various species and the environment as a whole.

This article originally appeared on The Conversation. You can read it here.

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Photo credit: Canva – Plastic bottles, left, and an airplane.

Environment, Science

The University of Cambridge found a way to reduce plastic waste and create clean hydrogen energy at the same time

Turn plastic into green power.

Erik Barnes

7/8/2026

The world’s top environmental concerns come down to two basics: reducing waste and creating clean energy. Thanks to researchers at the University of Cambridge, we may be able to tackle both with a single solution.

Inspired by a previous solar-powered reactor the team created that turned carbon dioxide and plastic waste into fuel and useful chemicals, the researchers developed a new device that uses sunlight to break down plastic into hydrogen.

“Converting waste streams into valuable products using clean energy sources is…an attractive strategy to address both energy and environmental concerns,” the team wrote in Nature Chemical Engineering.

How does this device work?

The reactor is relatively simple compared to others of its kind. The researchers sprayed a light-absorbing material onto a glass panel. They then added a second layer of molecules containing zirconium and cobalt to act as the catalyst for the reaction. All told, the device measures about one square meter and was tested under natural sunlight.

Under sunlight, the device was able to extract hydrogen from sliced-up plastic bottles. It also extracted hydrogen from glucose and cellulose. This means the device can produce hydrogen from both plastic and plant waste.

Hit two problems with one device

This could help reduce a rapidly growing problem. The world produces more than 359 million tons of plastic each year, much of which ends up in landfills. Most modern plastics take 100 to 1,000 years to decompose. Much of the plastic polluting our land and oceans comes from food packaging, including water bottles. This device can turn those plastics into a cleaner fuel source. It could also help address the growing problem of microplastics contaminating drinking water and soil.

Hydrogen is a powerful fuel for trucks, ships, and airplanes, and demand for it is growing. Because it typically produces only water as a byproduct, it is a highly sought-after source of clean energy. While there are green methods for producing hydrogen using solar and wind power, a significant amount of the world’s hydrogen still comes from natural gas. In other words, while hydrogen itself is a clean source of energy, the way much of it is produced is not.

Could this device work realistically on a global scale?

The use of spray coating and relatively simple materials makes this new reactor easier to manufacture.

“What surprised me was, after all the optimization, just how simple it is,” researcher Ariffin Bin Mohamad Annuar said in a press release. “We just have this huge panel, we spray our catalyst on it, put it into our solution, put it under the sun, and it produces hydrogen and other valuable chemicals just from plastic waste. It’s just simple and scalable.”

The team says that before they can make the device commercially available, they hope to make it more durable and efficient. Time will tell whether it becomes a solution to both problems as it becomes more widely available.

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