An AI Model Designed 700,000 New Viruses. Sixteen of Them Actually Worked.

1  Stanford scientists used AI to design 700,000 new viral genomes, and 16 of the ones they synthesized turned out to actually work.

Researchers used an AI model called Evo to generate the genome blueprints, then synthesized 285 of them in a lab. Sixteen produced viable, replicating viruses never seen in nature. The viruses infect only bacteria and pose no threat to humans. The concern is not this specific result, it is the method: biosecurity experts warn the same generative approach could theoretically be pointed at designing dangerous pathogens instead, and regulatory guardrails have not remotely kept pace with what AI-driven biological design can now do. A tool built to help science move faster is, by the same mechanism, a tool that lowers the bar for causing serious harm.

2  The highest-resolution images of the Sun's surface ever captured just solved two mysteries astronomers have puzzled over for decades.

Hawaii's Daniel K. Inouye Solar Telescope captured unprecedented detail of the Sun's surface, revealing tiny whirlpools called Kelvin-Helmholtz instabilities rippling continuously across it. The discovery explains why the Sun's outer atmosphere is hotter than its actual surface, a genuine paradox for decades, and what triggers the magnetic energy buildup behind solar flares. See the images here.

3  The FDA approved the first mRNA flu vaccine ever authorized in the US, and it is 27% more effective than the shots we've used for 70 years.

Moderna's mFlusiva received FDA approval for adults 50 and older, a world-first for mRNA flu vaccines. Clinical trials showed a 27% effectiveness improvement over conventional flu shots, which have relied on the same basic manufacturing technology for over seven decades. The mRNA approach also cuts production time from six months down to two or three, a meaningful advantage for responding quickly to a disease that kills up to 52,000 Americans annually.

4  Lidar just revealed a sprawling lost civilization hidden under the Amazon canopy, and researchers have surveyed less than 3% of the region so far.

Archaeologists used lidar to see through dense rainforest canopy and found nearly 400 previously unknown geometric earthworks in northern Brazil, presumably built by a civilization called the Aquiry roughly 2,000 years ago. The findings suggest up to 3 million people once lived across an area the size of North Dakota. Because the survey covered under 3% of the entire Amazon basin, the population estimate could climb into the tens of millions once the rest of the region is mapped.

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🦑 Peep show. Giant squid have inspired sailor myths for centuries, yet they are almost never seen alive. New footage captures the elusive deep-sea giant making an extraordinarily rare nighttime visit to the surface.

☀️ Escape plan. Studies show that in about five billion years, the Sun will swallow the Earth. Now, one scientist has come up with an audacious plan to help Earth avoid that fate.

🚗 World racer. What if Google Maps were an open-world racing game? This new browser experience lets you drive virtually anywhere on Earth, and even challenge friends to multiplayer races.

🌌 Cosmic jackpot. The universe may be putting on its greatest show of the year. Three of astronomy's most spectacular and rare events are expected to coincide on the same day this week.

🌊 Sleepless swim. If you have ever hallucinated from a lack of sleep, you know how bad it is. An endurance swimmer has rewritten the record books after completing an extraordinary crossing of the Baltic Sea without sleep, hallucinating for the final 15 hours.