Sunday Special: Scientists reverse Alzheimer's in mice

Welcome back, Superhuman. Everyone's talking about comet 3I/ATLAS. The alien comet has piqued scientists’ curiosity once again with a stunt no one saw coming, challenging how we think about the universe. Meanwhile, scientists have pushed reset on a devastating disease affecting millions of people across the world.

SCIENCE SUNDAY

The most interesting scientific discoveries and breakthroughs this week

1. Scientists spot water fingerprint on one of the oldest comets ever observed: NASA caught comet 3I/ATLAS blasting water at a blistering 88 pounds per second. The incident occurred while the comet was about 3x further from the Sun than Earth (way earlier than expected). The discovery not only challenges our understanding of how comets behave, but suggests that the "ingredients for life’s chemistry" are not unique to our star system. Check out the closest view yet of comet 3I/ATLAS as it passed by Mars earlier this week.

2. New 'rainbow' chip can make your internet a lot faster: While tinkering with LiDAR technology, scientists claim to have "accidentally" stumbled upon a new chip design that transforms a single laser into dozens of powerful light channels, achieving lab-grade precision on a tiny silicon device. It could eventually replace racks of individual lasers with one compact device, drastically cutting costs and energy consumption in data centers and potentially supercharging internet speeds while shrinking hardware footprints.

3. 3D-printed lungs could be a "game-changer" for new treatments: The lungs, printed from "bioinks" containing living cells, mimic human lung structure and behavior more accurately than current animal models, potentially increasing the odds of bringing new therapies to market. The breakthrough could eventually lead to personalized treatments for conditions like tuberculosis and COVID-19, with researchers even suggesting lab-grown lungs might one day serve as transplant alternatives.

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NEW TECH

Our favorite new tech gadgets this week

1. Flowtica Scribe: An AI-powered recorder built inside a working pen. It records, transcribes, and creates searchable summaries while you write on paper.

2. Timekettle W4 Pro: AI-powered earbuds that can translate conversations between 42 languages and 95 accents in real-time with 98% accuracy.

3. Circular Ring 2: One of the world’s most advanced health-tracking, subscription-free smart rings. It tracks heart rhythm, HRV, SpO2, and 140+ biometrics with AI-driven insights and has a 7-day battery life.

4. Nuttii E-Coffee: A portable espresso maker designed for travel. It shows real-time brewing data on a built-in OLED display and heats water without an outlet.

SOCIAL SIGNALS

What’s trending in tech on socials this week

👀 Sneak Peek: A 2-minute video showcase of Neuralink's telepathy UI demo is blowing up on tech socials for its sleek, Apple-like design, enabling brain-controlled tasks like cursor movement, typing, and web browsing.

📷️ Micro Marvel: A picture of the Guinness World Record holder for the smallest commercial image sensor is doing the rounds on social media. X users simply can’t believe just how tiny it is. Check it out here.

⌛️ Raising the Bar: A chart shows the evolution of YouTube’s progress bar over the last 20 years. We’ve certainly come a long way since 2005.

🎶 Sounds of Space: In 1977, NASA launched the Golden Record aboard the Voyager spacecraft, carrying sounds and images of Earth. Meant to tell extraterrestrial life who we are and where we come from, a picture of the iconic record is now going viral on Reddit.

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ONLY GOOD NEWS

A healthy dose of optimism to kickstart your week

Mind Mend: Scientists claim to have successfully reversed Alzheimer's disease in mice in what’s being widely hailed as a breakthrough treatment. Using injectable nanoparticles to clear out toxic amyloid beta plaques, the treatment showed remarkable results, restoring normal behavior in a 12-month-old mouse (equivalent to a middle-aged human) after six months of treatment. This innovative approach could potentially revolutionize treatment for one of the leading causes of death among older adults.

Taming the Tumor: A nanoparticle vaccine has reportedly prevented tumor growth in up to 88% of mice across three aggressive cancer types. Though still in early stages, the treatment not only kept most vaccinated mice tumor-free for 250 days, but in some cases, completely prevented metastasis — the primary cause of cancer mortality. Researchers are now planning to extend the approach to therapeutic vaccines that could potentially revolutionize cancer treatment in humans.

Follicle Fix: Scientists claim to have developed a promising hair loss treatment that combines caffeine, growth-stimulating proteins, and extracts from the tropical plant Centella asiatica. In a 56-day trial with 60 participants, those using the complete formulation saw nearly 25% improvement in hair density — almost double the change observed in the placebo group. If it holds up in further trials, this plant-based approach could offer a welcome alternative to existing treatments that have multiple side effects.

SUNDAY SCIENCE TRIVIA

The Mars Metric Mistake

Don’t Cheat: You can watch a small explanatory video of the shocking incident here or read about it here.

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Until next time,

Zain and the Superhuman AI team