The Download: AI’s real extinction threat and age-reversal tech for eyes

This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology.

Roundtables: could AI really kill us all?

Employees at the world’s leading AI labs are saying there’s a real possibility that advanced AI could destroy humanity. Are they right? Or is this more scaremongering and hype?

Join MIT Technology Review executive editor Niall Firth, senior AI editor Will Douglas Heaven, and AI reporter Grace Huckins for a subscriber-only conversation unpacking the debate around AI extinction. They’ll explore where the fears come from, whether they hold any water and, if they do, what we should do about them.

Register now to attend on Tuesday, September 15 at 16:00 BST / 11:00am EST / 8:00am PST.

Want to join the conversation? Subscribe to MIT Technology Review for exclusive access to all our Roundtables.

This geneticist’s age-reversal tech could help restore sight

Yuancheng (Ryan) Lu is obsessed with aging. And with eyes. As he steps outside the Whitehead Institute in Cambridge, Massachusetts, his aviator glasses darken automatically in the sun. Age-related blindness runs in his family, and his own 23andMe test came back with a mutation for macular degeneration, a top cause of vision loss in old age.

That obsession extends to his work. Lu is behind one of the coolest results in rejuvenation science and eye research: an age-reversal technique called reprogramming that repaired the optic nerves of blind mice, restoring their vision. Now, nearly the same genetic therapy he developed as a student has entered human clinical trials.

Learn more about Lu’s work on restoring sight with age-reversal therapy.

—Antonio Regalado

Yuancheng (Ryan) Lu is one of the biotechnology and health honorees on our 35 Innovators Under 35 list for 2026. Meet the rest of them here, or explore the full list across the biotechnology and health, AI, computing and robotics, and climate and energy categories.

The must-reads

I’ve combed the internet to find you today’s most fun/important/scary/fascinating stories about technology.

1 Dario Amodei, Sam Altman, and Elon Musk have called for an AI slowdown
In a rare show of unity, the rivals agreed that AI needs stronger brakes. (Guardian) 
+ Amodei wants independent monitors and new industry-wide rules. (BBC)
+ Altman called for pacing, but not stopping. (Bloomberg $)
+ While Musk said on X that “Dario is right.”(WSJ $)
+ AI-linked stocks slumped in response. (FT $)
+ Chinese state media blasted the calls as a “Cold War” tactic. (Reuters $)
+ AI’s impacts are getting harder to predict. (MIT Technology Review)

2 Trump and Congress are resisting calls for stronger AI regulation
Trump downplayed AI risks, prioritizing the AI race with China. (NPR)
+ While the House Speaker said Congress won’t lead on AI regulation. (Politico $)
+ But Democrats are pushing for new rules before the midterms. (CNBC)
+ States and the White House are dividing over AI. (MIT Technology Review)

3 China plans to lead AI development across the BRICS countries
President Xi proposed open-source AI cooperation. (CNBC)
+ Beijing’s spy agency has warned of AI threats to national security. (FT $)

4 South Korea has tightened espionage laws to protect its chip secrets
Foreign spies can now face up to 30 years in prison. (FT $)
+ The changes follow alleged transfers of Samsung tech to China. (Reuters $)

5 The US and Mexico are teaming up to zap drones at the border
The operation may employ high-energy lasers.(Wired $)
+ Ukraine is a Wild West market for drone data. (MIT Technology Review)

6 AI agents are creating a new problem for the criminal justice system
The law has no clear answer when AI agents act independently. (Bloomberg $)
+ While courts face a flood of AI-generated lawsuits. (MIT Technology Review)

7 A Waymo pulled over and alerted police after detecting a gun
The riders were juveniles carrying a loaded AR-style ghost gun. (LA Times $)

8 Meta has been sued over data used to train its smart glasses
It allegedly used Facebook and Instagram photos without consent. (Wired $)

9 A hidden crypto farm in Mexico has put a spotlight on cartel funding
Authorities are investigating whether it stole power from a nearby dam. (Reuters $)

10 StarCraft is returning in 2030 as an open-world shooter
Fifteen years since its last release, the iconic franchise will be reborn. (Verge)

Quote of the day

“Dr. Frankenstein is telling us the monster is escaping; help us stop this.”

—Sen. Ruben Gallego, D-Ariz, calls for new AI regulation on CNN’s “State of the Union.”

One more thing

Inside the hunt for the most dangerous asteroid ever 

As asteroid 2024 YR4 hurtled toward Earth, astronomers determined that this massive rock posed a higher risk of impact than any object of its size in recorded history. Then, just as quickly as history was made, experts declared that the danger had passed.

This is the inside story of the network of global scientists who found, followed, planned for, and finally dismissed the most dangerous asteroid ever found—all under the tightest of timelines and with the highest of stakes. Find out how they did it.

—Robin George Andrews

We can still have nice things

A place for comfort, fun, and distraction to brighten up your day. (Got any ideas? Drop me a line.)

+ This master paperboy delivers newspapers with astonishing speed and skill.
+ Public Enemy and Led Zeppelin collide in this gloriously unlikely musical mashup.
+ Dozens of synchronized lasers have created extraordinary kaleidoscopic starburst patterns.
+ Check out the breathtaking winning images from the 2026 International Aerial Photographer of the Year competition.