Science

South Korea has come up with a spray-on super-bandage that goes anywhere

Shelf stable, swamp compatible, and getting ready for service.

It’s the stuff of science fiction, which means it’s right up my alley! Scientists at the Korea Advanced Institute of Science & Technology have created a spray-on powder that can stop bleeding in as little as one second.

As Erik Barnes reports, the spray was developed by Kyusoon Park, an Army Major and KAIST researcher, to improve the tools available to medics in combat and disaster situations. Existing sprays only work in very specific conditions and don’t work as quickly. This new powder, made from alginate and gellan gum, can remain stable at room temperatures for up to two years and works in far more conditions, making it ideal for triage when moments matter.

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Previous Results

Last week, we reminisced about the ads of the 80s and 90s. Did GOOD readers know which brand claimed to be “the choice of a new generation”?

• Coca-Cola (17.7%)

• Pepsi (59.9%) ✅

• 7Up (6.1%)

• Sprite (16.3%)

That’s right, Pepsi claimed that distinction for itself in a series of ads featuring superstars like Michael Jackson, Gloria Estefan, and Michael J. Fox. Millions were spent, but at the end of the day, when the waiter says, “We don’t have Pepsi, is Coke OK?”, we all say, “Sure.”

Health

Deep reading, slower thinking, and why resisting the scroll starts with hesitation

Slowing down your reading might be the quiet antidote to misinformation.

We ran a poll a while back and offered an option that felt almost aggressively reasonable: “It depends.” No punchline. No certainty. No easy side to pick. That answer didn’t just win. It dominated.

At first, the result felt boring. From an engagement standpoint, it was kind of a flop. No conflict, no bias, no satisfying resolution. But I like that answer because it means our readers (note the word ‘readers’ here, it’s relevant) chose the thoughtful answer. GOOD readers paused to consider the options and chose well.

As Jeff Saerys-Foy and Jt Torres explain in this story, that pause has a name. It’s called deep reading. And it’s very different from the way most of us consume information now. Deep reading means slowing down on purpose, questioning what you’re seeing, making connections, and tolerating a little confusion before things click.

That matters because Americans check their phones around 140 times a day, and the platforms competing for that attention are optimized for skimming, repetition, and emotional reflex. When ideas show up again and again, they start to feel true, even when they’re not. Deep reading interrupts that pattern. It forces friction back into the process.

Read the full article for how to leverage deep reading in your day so that when you steal a peek at your screen for that 140th time, you’re getting something healthy.

Science | From the Vault

What if your brain stopped predicting the worst?

Your brain keeps forecasting storms. This exercise teaches it to expect a sunrise instead.

Humans tend to create their own self-fulfilling prophecies. We picture the worst and then, annoyingly, watch the worst unfold. It becomes a self-powered anxiety loop. But what if you could actually interrupt it?

A study from York St John University dug into how anxious people imagine their futures. Those dealing with anxiety consistently imagine darker, more catastrophic futures. So researchers tried a simple daily writing exercise called the “Best Possible Self” technique and found it reduced anxiety while boosting self-worth.

Fifteen minutes of imagining things going right. A small daily habit that might keep your brain from manifesting storms all on its own.

On January 20, 1885, LaMarcus A. Thompson was issued a patent for a “roller coasting structure,” the first successful U.S. roller coaster. Thompson apparently liked to live dangerously; the roller coaster itself had already been in operation for some months before the patent was granted, delighting passengers at a nickel a ride on a 600’ track that had riders sitting sideways at speeds as heart-stopping as six whole miles an hour.

The track did not go full circuit; that innovation would arrive later the same year. Instead, the ride vehicle would coast up and down a slight incline, then be hoisted the last few feet to a platform at the far end, switch to a return track, and get sent back to its starting point.

The innovations that would come to define modern super-coasters would come in fits and starts. In 1910, John A. Miller would patent the anti-rollback “chain dog” from which we get the nerve-racking click-clack of the lift hill. In 1959, Disney gave us the Matterhorn, which used tubular steel tracks for smoother turns. (Anyone riding Matterhorn today can tell you the turns were smoother… not smooth.) 16 years later, steel tracks would give us the first modern inversion with Corkscrew, which also introduced over-the-shoulder restraints. In 1996, Flight of Fear introduced the first magnetic-launch coaster, propelling us into a new era of speed.

Today’s record holder for the fastest, tallest, and longest roller coaster is Falcon’s Flight, recently opened at Six Flags Qiddiya City in Saudi Arabia. That’s right, one coaster, three records. And if the next 141 years progress as quickly as the last 141 years, riders in 2167 will be enjoying coasters 8,200 feet tall, 61 miles long, at speeds of about 4,000 miles per hour (that’s Mach 5!). We are only extrapolating; we’ll let future engineers wrestle with the physics.

And the price? It was a nickel a ride in 1885. Today, you can skip the line of Disneyland’s most popular experience, Rise of the Resistance, for $28, which doesn’t even include admission. So riding our 2167 coaster will conservatively cost you about $15,680 per ride. WEEEeeeeee…

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