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Ocean pollution is a huge problem. The notorious Great Pacific Garbage Patch, for example, contains enough trash to cover Texas twice-over. One component of ocean pollution that's especially threatening to human life is micro-plastics, pieces of plastic smaller than 5mm long (about the size of a sesame seed). When plastic pollution enters the ocean, the large pieces of plastic are broken down over time by exposure to the sea elements into very small plastic particles, which then exit the large garbage patches and spread throughout the ocean, eventually being consumed or otherwise absorbed by aquatic life, and working their way up the food chain to humans. According to a 2019 study cited by Consumer Reports, the average American eats, drinks, and breathes more than 74,000 toxic micro plastic particles every year.
Not only are micro-plastics incredibly harmful, their size and ubiquity make them extremely hard to clean out of the ocean. This is why most ocean anti-pollution projects, such as The Ocean Cleanup, focus on removing larger pieces of trash, before they can degrade. However a few years ago in 2019 Fionn Ferreira, just 18 years old at the time, invented an effective new method for removing micro-plastics from the oceans.
Ferreira was kayaking along the coast in Ballydehob, his hometown in west Cork Ireland, when he came upon a rock coated in oil. Ferreira noticed that small bits of plastic were sticking to the oil-coated-rock, which got Ferreira thinking. "In chemistry, like attracts like," Ferreira noted. He decided to combine vegetable oil and magnetite powder to create a nontoxic ferrofluid, a "magnetic liquid," or liquid that acts as a carrier for tiny magnetic particles—since ferrofluids and plastics attract when in the presence of water. Ferreira would add his ferrofluid to water samples full of micro-plastics, then remove the ferrofluid using a magnet, taking the micro-plastics with it. After hundreds of tests, Ferreira's ferrofluid was able to successfully remove at least 87% of micro-plastics from the water samples.
Since his discovery, Ferreira was named the overall winner of the 2019 Google Science Fair, an annual competition open to high schools around the world, and was awarded a $50,000 prize. He also established a company focused on micro-plastic removal technology, Fionn & Co., while also pursuing a Chemistry degree at the University of Groningen in the Netherlands. Meanwhile, ferrofluids have been tested as a possible tool for cleaning up oil spills, and early tests have been encouraging.
Ultimately, Ferreira believes that the only way to solve the massive problem of Ocean pollution is to change our consumption habits. "I'm not saying that my project is the solution," he said. "The solution is that we stop using plastic altogether."
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This response to someone grieving a friend might be the best internet comment ever
When someone is hit with the sudden loss of a friend or loved one, words rarely feel like enough. Yet, more than a decade ago, a wise Redditor named GSnow shared thoughts so profound they still bring comfort to grieving hearts today.
Originally posted around 2011, the now-famous reply was rediscovered when Upvoted, an official Reddit publication, featured it again to remind everyone of its enduring truth. It began as a simple plea for help: “My friend just died. I don't know what to do.”
What followed was a piece of writing that many consider one of the internet’s best comments of all time. It remains shared across social media, grief forums, and personal messages to this day because its honesty and metaphor speak to the raw reality of loss and the slow, irregular path toward healing.
Below is GSnow’s full reply, unchanged, in all its gentle, wave-crashing beauty:
Why this advice still matters
Mental health professionals and grief counselors often describe bereavement in stages or phases, but GSnow’s “wave theory” gives an image more relatable for many. Rather than a linear process, grief surges and retreats—sometimes triggered by a song, a place, or a simple morning cup of coffee.
In recent years, this metaphor has found renewed relevance. Communities on Reddit, TikTok, and grief support groups frequently reshare it to help explain the unpredictable nature of mourning.
Many readers say this analogy helps them feel less alone, giving them permission to ride each wave of grief rather than fight it.
Finding comfort in shared wisdom
Since this comment first surfaced, countless people have posted their own stories underneath it, thanking GSnow and passing the words to others facing fresh heartbreak. It’s proof that sometimes, the internet can feel like a global support group—strangers linked by shared loss and hope.
For those searching for more support today, organizations like The Dougy Center, GriefShare, and local bereavement groups offer compassionate resources. If you or someone you know is struggling with intense grief, please reach out to mental health professionals who can help navigate these deep waters.
When grief comes crashing like the ocean, remember these words—and hang on. There is life between the waves.
This article originally appeared four years ago.