@mattyfield.bsky.social
Biosecurity Editor at the Bulletin of the Atomic Scientists. Tips? Pitches? Email: mfield@thebulletin.org / Signal: mattfield.34
A worthy read ahead of US-Iran talks tomorrow, written by a former chief of Iran’s National Security and Foreign Relations Committee. @thebulletin.org
thebulletin.org/2026/02/why-...
thebulletin.org/2026/02/why-...
Why Iran–US negotiations must move beyond a single-issue approach to the nuclear problem
If the negotiations scheduled for Friday between Iran and the United States are to be effective and durable, they must move beyond a single-issue on nuclear weapons and toward a comprehensive, direct,...
thebulletin.org
February 6, 2026 at 3:30 AM
A worthy read ahead of US-Iran talks tomorrow, written by a former chief of Iran’s National Security and Foreign Relations Committee. @thebulletin.org
thebulletin.org/2026/02/why-...
thebulletin.org/2026/02/why-...
"If it expires, it expires. We’ll do a better agreement," Trump said of the last nuclear arms agreement between the US and Russia. Experts are a bit less blasé about the demise of New START. @thebulletin.org
thebulletin.org/2026/02/the-...
thebulletin.org/2026/02/the-...
The experts comment: New START expires, bringing both risks and opportunities
Experts share their concern about the no-rules, no-inspections period that opens when New START expires on Thursday. They also see an opportunity to adapt arms control to a multipolar world.
thebulletin.org
February 4, 2026 at 8:46 PM
"If it expires, it expires. We’ll do a better agreement," Trump said of the last nuclear arms agreement between the US and Russia. Experts are a bit less blasé about the demise of New START. @thebulletin.org
thebulletin.org/2026/02/the-...
thebulletin.org/2026/02/the-...
Jimmy Kimmel always knows what time it is. @thebulletin.org youtu.be/FWjnx_zkD70?...
Trump Scrambles to Clean Up Mess in Minneapolis, Calls Protesters Paid Agitators & A Snow Day Prank!
YouTube video by Jimmy Kimmel Live
youtu.be
January 28, 2026 at 3:58 PM
Jimmy Kimmel always knows what time it is. @thebulletin.org youtu.be/FWjnx_zkD70?...
Reposted
🚨 It is now 85 SECONDS TO MIDNIGHT on the #DoomsdayClock, the closest it has ever been to midnight.
Learn why here:
thebulletin.org/doomsday-clo...
Learn why here:
thebulletin.org/doomsday-clo...
January 27, 2026 at 3:11 PM
🚨 It is now 85 SECONDS TO MIDNIGHT on the #DoomsdayClock, the closest it has ever been to midnight.
Learn why here:
thebulletin.org/doomsday-clo...
Learn why here:
thebulletin.org/doomsday-clo...
Reposted
What time is it? 85 seconds to midnight.
The setting of the Doomsday Clock gets a lot of eyeballs, but the real juice is in the Clock Statement, where @meckdevil.bsky.social synthesizes the many intersecting global threats assessed by @thebulletin.org's Science & Security Board:
The setting of the Doomsday Clock gets a lot of eyeballs, but the real juice is in the Clock Statement, where @meckdevil.bsky.social synthesizes the many intersecting global threats assessed by @thebulletin.org's Science & Security Board:
thebulletin.org
January 27, 2026 at 4:03 PM
What time is it? 85 seconds to midnight.
The setting of the Doomsday Clock gets a lot of eyeballs, but the real juice is in the Clock Statement, where @meckdevil.bsky.social synthesizes the many intersecting global threats assessed by @thebulletin.org's Science & Security Board:
The setting of the Doomsday Clock gets a lot of eyeballs, but the real juice is in the Clock Statement, where @meckdevil.bsky.social synthesizes the many intersecting global threats assessed by @thebulletin.org's Science & Security Board:
Watch Nobel Peace Prize winner and journalist Maria Ressa talk about technology and disinformation at the Doomsday Clock announcement. "The operating system has been corrupted." @thebulletin.org
www.youtube.com/watch?v=ulvU...
www.youtube.com/watch?v=ulvU...
2026 Doomsday Clock Announcement
YouTube video by Bulletin of the Atomic Scientists
www.youtube.com
January 27, 2026 at 3:23 PM
Watch Nobel Peace Prize winner and journalist Maria Ressa talk about technology and disinformation at the Doomsday Clock announcement. "The operating system has been corrupted." @thebulletin.org
www.youtube.com/watch?v=ulvU...
www.youtube.com/watch?v=ulvU...
Tune in for the annual appraisal of how close we are to midnight. Top experts will set the Doomsday Clock in a little over 5 minutes. @thebulletin.org
www.youtube.com/watch?v=ulvU...
www.youtube.com/watch?v=ulvU...
2026 Doomsday Clock Announcement
YouTube video by Bulletin of the Atomic Scientists
www.youtube.com
January 27, 2026 at 2:54 PM
Tune in for the annual appraisal of how close we are to midnight. Top experts will set the Doomsday Clock in a little over 5 minutes. @thebulletin.org
www.youtube.com/watch?v=ulvU...
www.youtube.com/watch?v=ulvU...
Reposted
Iran, in its 14th day of a digital blackout, isn't the only country to use this tactic to control its citizens. In 2025, an estimated 212 shutdowns occurred across 28 countries, affecting 798.12 million people, write @stevenfeldstein.bsky.social & Shreya Joshi for @thebulletin.org
Iran’s internet shutdown tells a larger story: Digital repression is on the rise
Like Iran, governments worldwide rely on internet shutdowns to suppress populations, rig elections and collectively punish their citizens.
thebulletin.org
January 22, 2026 at 4:35 PM
Iran, in its 14th day of a digital blackout, isn't the only country to use this tactic to control its citizens. In 2025, an estimated 212 shutdowns occurred across 28 countries, affecting 798.12 million people, write @stevenfeldstein.bsky.social & Shreya Joshi for @thebulletin.org
Reposted
What does public health look like in 10 years if today’s policies hold?
In a new @thebulletin.org video, @jennifernuzzo.bsky.social and other experts warn that cuts to vaccines, research, and global health initiatives could leave the US far less prepared for the next pandemic.
Watch Here 👀
In a new @thebulletin.org video, @jennifernuzzo.bsky.social and other experts warn that cuts to vaccines, research, and global health initiatives could leave the US far less prepared for the next pandemic.
Watch Here 👀
Will the world ever be healthy again?
YouTube video by Bulletin of the Atomic Scientists
youtu.be
January 14, 2026 at 7:07 PM
What does public health look like in 10 years if today’s policies hold?
In a new @thebulletin.org video, @jennifernuzzo.bsky.social and other experts warn that cuts to vaccines, research, and global health initiatives could leave the US far less prepared for the next pandemic.
Watch Here 👀
In a new @thebulletin.org video, @jennifernuzzo.bsky.social and other experts warn that cuts to vaccines, research, and global health initiatives could leave the US far less prepared for the next pandemic.
Watch Here 👀
Reposted
🚨 JUST IN: As President Trump tries to coerce European leaders over Greenland and seems ready to break the transatlantic alliance, the crisis should serve as a catalyst for deeper and smarter Europeanization of defensive and strategic efforts, German lawmaker Roderich Kiesewetter writes.
#Greenland
#Greenland
The "Donroe Doctrine" moved to the Arctic. Europe must now redefine burden sharing
As President Trump tries to coerce European leaders over Greenland and seems ready to break the transatlantic alliance, the crisis should serve as a catalyst for deeper and smarter Europeanization of ...
thebulletin.org
January 20, 2026 at 10:02 AM
🚨 JUST IN: As President Trump tries to coerce European leaders over Greenland and seems ready to break the transatlantic alliance, the crisis should serve as a catalyst for deeper and smarter Europeanization of defensive and strategic efforts, German lawmaker Roderich Kiesewetter writes.
#Greenland
#Greenland
The @thebulletin.org asked three experts to peer into the future and say what they think the public health picture will look like in 10 years. Here's the tape:
@erik-english.bsky.social
www.youtube.com/watch?v=8QrU...
@erik-english.bsky.social
www.youtube.com/watch?v=8QrU...
Will the world ever be healthy again?
YouTube video by Bulletin of the Atomic Scientists
www.youtube.com
January 14, 2026 at 4:52 PM
The @thebulletin.org asked three experts to peer into the future and say what they think the public health picture will look like in 10 years. Here's the tape:
@erik-english.bsky.social
www.youtube.com/watch?v=8QrU...
@erik-english.bsky.social
www.youtube.com/watch?v=8QrU...
Reposted
This is monstrous: cutting $2 billion from mental health services
RFK Jr has himself experienced a mental health condition
He is certainly aware of the suffering, distress, & mortality that mental health conditions can cause
How is this "Making America Healthy Again"?
www.npr.org/2026/01/14/n...
RFK Jr has himself experienced a mental health condition
He is certainly aware of the suffering, distress, & mortality that mental health conditions can cause
How is this "Making America Healthy Again"?
www.npr.org/2026/01/14/n...
Trump administration sends letter wiping out addiction, mental health grants
The Trump administration sent hundreds of letters Tuesday terminating federal grants supporting mental health and drug addiction services.
www.npr.org
January 14, 2026 at 3:59 PM
This is monstrous: cutting $2 billion from mental health services
RFK Jr has himself experienced a mental health condition
He is certainly aware of the suffering, distress, & mortality that mental health conditions can cause
How is this "Making America Healthy Again"?
www.npr.org/2026/01/14/n...
RFK Jr has himself experienced a mental health condition
He is certainly aware of the suffering, distress, & mortality that mental health conditions can cause
How is this "Making America Healthy Again"?
www.npr.org/2026/01/14/n...
And now for a little something different. Famed sci-fi writer Kim Stanley Robinson judged a @thebulletin.org fiction contest for us, and here are the results: Seven great stories worth your time.
thebulletin.org/premium/2026...
thebulletin.org/premium/2026...
And the winners of our fiction contest are…
The Bulletin’s mission—protecting civilization from manmade existential threats like nuclear weapons and climate change—is important. Filling civilization with art and the humanity it fosters is impor...
thebulletin.org
January 13, 2026 at 10:20 PM
And now for a little something different. Famed sci-fi writer Kim Stanley Robinson judged a @thebulletin.org fiction contest for us, and here are the results: Seven great stories worth your time.
thebulletin.org/premium/2026...
thebulletin.org/premium/2026...
Reposted
The magazine I edit, @thebulletin.org/Bulletin of the Atomic Scientists, has an opening for an assistant multimedia editor. It's a good gig, working with great people and doing the most important journalism in the world. Please do share it with your journo friends. thebulletin.org/about-us/ope...
Assistant multimedia editor - Bulletin of the Atomic Scientists
Assistant Multimedia Editor ABOUT THE BULLETIN OF THE ATOMIC SCIENTISTS The Bulletin of the Atomic Scientists is a not-for-profit organization, located in the Harris School of Public Policy at the Uni...
thebulletin.org
January 13, 2026 at 10:06 PM
The magazine I edit, @thebulletin.org/Bulletin of the Atomic Scientists, has an opening for an assistant multimedia editor. It's a good gig, working with great people and doing the most important journalism in the world. Please do share it with your journo friends. thebulletin.org/about-us/ope...
Reposted
"What is truly contrary to the interests of the United States is the willful ignorance of the Trump administration on issues like climate change & vaccine safety. Such ignorance is also contrary to the interests of all global citizens who seek to live and thrive on this pale blue dot in the cosmos."
Pulling out of 66 international organizations, Trump turns his back on science, facts, reason
Under the Trump Administration, international law, conserving nature, protecting children from war, developing renewable energy, and building peace are issues antithetical to US interests.
thebulletin.org
January 12, 2026 at 6:37 PM
"What is truly contrary to the interests of the United States is the willful ignorance of the Trump administration on issues like climate change & vaccine safety. Such ignorance is also contrary to the interests of all global citizens who seek to live and thrive on this pale blue dot in the cosmos."
Reposted
@progmil.bsky.social has the best analysis I've seen so far on the parallels between Trump's declaration that fentanyl is a chemical weapon and Bush's claim that Iraq had WMD, and why that does not bode well for US policy towards Venezuela.
thebulletin.org/2025/12/fent...
@thebulletin.org
thebulletin.org/2025/12/fent...
@thebulletin.org
Fentanyl is no WMD, but Trump's Venezuela claims eerily echo Bush's arguments for invading Iraq
If the Trump administration's increasingly belligerent rhetoric about Venezuela sounds familiar, it's because it is: The George W. Bush administration was making similar arguments during the lead-up t...
thebulletin.org
December 18, 2025 at 8:47 PM
@progmil.bsky.social has the best analysis I've seen so far on the parallels between Trump's declaration that fentanyl is a chemical weapon and Bush's claim that Iraq had WMD, and why that does not bode well for US policy towards Venezuela.
thebulletin.org/2025/12/fent...
@thebulletin.org
thebulletin.org/2025/12/fent...
@thebulletin.org
Reposted
ok omg was going to tweet something VERY SERIOUS about how this is the best fentanyl as "WMD" explainer but then i got to the kicker and i actually laughed out loud, millennial that i am
no screenshot spoilers it's too good you have to get there yourself
no screenshot spoilers it's too good you have to get there yourself
Fentanyl is no WMD, but Trump's Venezuela claims eerily echo Bush's arguments for invading Iraq
If the Trump administration's increasingly belligerent rhetoric about Venezuela sounds familiar, it's because it is: The George W. Bush administration was making similar arguments during the lead-up t...
thebulletin.org
December 18, 2025 at 5:09 PM
ok omg was going to tweet something VERY SERIOUS about how this is the best fentanyl as "WMD" explainer but then i got to the kicker and i actually laughed out loud, millennial that i am
no screenshot spoilers it's too good you have to get there yourself
no screenshot spoilers it's too good you have to get there yourself
Reposted
@progmil.bsky.social has the best arguments why this is a very bad idea
almauroni.substack.com/p/fentanyl-i...
mwi.westpoint.edu/fentanyl-sho...
almauroni.substack.com/p/fentanyl-i...
mwi.westpoint.edu/fentanyl-sho...
FENTANYL IS NOT A CHEMICAL WEAPON
Wow, it's tiring to repeat this so often
almauroni.substack.com
December 15, 2025 at 8:59 PM
@progmil.bsky.social has the best arguments why this is a very bad idea
almauroni.substack.com/p/fentanyl-i...
mwi.westpoint.edu/fentanyl-sho...
almauroni.substack.com/p/fentanyl-i...
mwi.westpoint.edu/fentanyl-sho...
Reposted
Here we go again. thebulletin.org/2025/12/fent...
Fentanyl is no WMD, but Trump's Venezuela claims eerily echo Bush's arguments for invading Iraq
If the Trump administration's increasingly belligerent rhetoric about Venezuela sounds familiar, it's because it is: The George W. Bush administration was making similar arguments during the lead-up t...
thebulletin.org
December 18, 2025 at 12:39 PM
Here we go again. thebulletin.org/2025/12/fent...
Reposted
A decade of chemical and biological disinformation, mapped buff.ly/qcTCI5N
A decade of chemical and biological disinformation, mapped
A new tool allows us to visualize how disinformation campaigns originating in places like the halls of the Russian Ministry of Defence can end up circulating on Fox News or in international…
thebulletin.org
December 16, 2025 at 9:01 PM
A decade of chemical and biological disinformation, mapped buff.ly/qcTCI5N
Reposted
I am heartbroken for our Brown community. If you know anything about Brown, you know what a tight-knit community we are. We share each other’s joys and pains. Today has been gut-wrenching. And our emergency is not yet over. Please keep our Brown family in your thoughts. 💔💔💔
December 14, 2025 at 2:44 AM
I am heartbroken for our Brown community. If you know anything about Brown, you know what a tight-knit community we are. We share each other’s joys and pains. Today has been gut-wrenching. And our emergency is not yet over. Please keep our Brown family in your thoughts. 💔💔💔
FIFA had it right. Not only has Trump stopped 8 wars, but soon he'll get on the phone to stop one he'd already stopped just a few months ago. If you're keeping score, that's 100 percent more peace in Southeast Asia.
December 12, 2025 at 3:47 PM
FIFA had it right. Not only has Trump stopped 8 wars, but soon he'll get on the phone to stop one he'd already stopped just a few months ago. If you're keeping score, that's 100 percent more peace in Southeast Asia.
Some great stuff in the @thebulletin.org's 80th anniversary issue. @stephbatalis.bsky.social and @vikramvenkatram.bsky.social, for starters, write about the future of biosecurity governance.
thebulletin.org/premium/2025...
thebulletin.org/premium/2025...
Use all the tools of the trade: Building a foundation for the next era of biosecurity
The coming era of biosecurity will demand a broader and more adaptive approach as AI, powerful biological engineering techniques, and globalized scientific research drive progress in biotechnology.
thebulletin.org
December 12, 2025 at 3:20 PM
Some great stuff in the @thebulletin.org's 80th anniversary issue. @stephbatalis.bsky.social and @vikramvenkatram.bsky.social, for starters, write about the future of biosecurity governance.
thebulletin.org/premium/2025...
thebulletin.org/premium/2025...
Reposted
Not many magazines live to be 80 years old. The one I edit did and is still doing its job: explaining existential threats in a way that regular folks will read—so they can do something to make the world safer. @columjournreview.bsky.social @jfallows.bsky.social thebulletin.org/magazine/202...
December 10, 2025 at 8:04 PM
Not many magazines live to be 80 years old. The one I edit did and is still doing its job: explaining existential threats in a way that regular folks will read—so they can do something to make the world safer. @columjournreview.bsky.social @jfallows.bsky.social thebulletin.org/magazine/202...
Not every magazine makes it 80 years--helps we've had some great contributors, like Einstein. @thebulletin.org
Read the 80th anniversary issue of @thebulletin.org, entirely free. thebulletin.org/magazine/202...
Read the 80th anniversary issue of @thebulletin.org, entirely free. thebulletin.org/magazine/202...
December 2025 - Bulletin of the Atomic Scientists
thebulletin.org
December 11, 2025 at 5:32 AM
Not every magazine makes it 80 years--helps we've had some great contributors, like Einstein. @thebulletin.org
Read the 80th anniversary issue of @thebulletin.org, entirely free. thebulletin.org/magazine/202...
Read the 80th anniversary issue of @thebulletin.org, entirely free. thebulletin.org/magazine/202...