Seth Fletcher
@sethfletcher.bsky.social
Director of editorial content at Scientific American, writer, author of Einstein's Shadow and Bottled Lightning
Reposted by Seth Fletcher
We nearly lost wild turkeys--but now they're thriving. Here's their story: 🧪 🌎 www.scientificamerican.com/podcast/epis...
Wild Turkeys Went from Almost Gone to Millions Strong
Wild turkeys once nearly disappeared, but today they’re thriving.
www.scientificamerican.com
November 26, 2025 at 1:31 PM
We nearly lost wild turkeys--but now they're thriving. Here's their story: 🧪 🌎 www.scientificamerican.com/podcast/epis...
Reposted by Seth Fletcher
And David Ellison, the new owner of CBS.
TIME magazine owner Marc Benioff was among the dignitaries dining last night with Mohammed bin Salman, who approved the murder of a journalist. e.ejewishphilanthropy.com/deliveries/d...
Good Wednesday morning!
e.ejewishphilanthropy.com
November 19, 2025 at 3:28 PM
And David Ellison, the new owner of CBS.
Reposted by Seth Fletcher
ok I’m sorry to ever say anything but what the fuck does she think a canto is
November 17, 2025 at 11:49 PM
ok I’m sorry to ever say anything but what the fuck does she think a canto is
Reposted by Seth Fletcher
Every day someone new learns that Oscar Isaac was in a late 90s Christian ska band. Who will today’s person be.
September 2, 2023 at 2:53 PM
Every day someone new learns that Oscar Isaac was in a late 90s Christian ska band. Who will today’s person be.
Reposted by Seth Fletcher
True nightmare fuel: Scientists just confirmed the first known death from a severe meat allergy caused by a tick bite.
The man, who died in 2024 after eating a burger, had alpha-gal syndrome, a bizarre disease triggered by tick bites.
www.scientificamerican.com/article/man-...
The man, who died in 2024 after eating a burger, had alpha-gal syndrome, a bizarre disease triggered by tick bites.
www.scientificamerican.com/article/man-...
Man With Tick-Borne Meat Allergy Dies after Eating Burger
Lone star tick bites are the most common cause of alpha-gal syndrome, which causes severe allergic reactions to red meat
www.scientificamerican.com
November 14, 2025 at 6:51 PM
True nightmare fuel: Scientists just confirmed the first known death from a severe meat allergy caused by a tick bite.
The man, who died in 2024 after eating a burger, had alpha-gal syndrome, a bizarre disease triggered by tick bites.
www.scientificamerican.com/article/man-...
The man, who died in 2024 after eating a burger, had alpha-gal syndrome, a bizarre disease triggered by tick bites.
www.scientificamerican.com/article/man-...
Reposted by Seth Fletcher
In the Epstein documents release today, there is a file for a proposed Lawrence Krauss-led event series w/ proposed guests, 23 of which had "already agreed in principle" according to the doc. Some of those listed include Noam Chomsky, Woody Allen, Barack Obama, Larry Page and Elon Musk.
November 13, 2025 at 12:03 AM
In the Epstein documents release today, there is a file for a proposed Lawrence Krauss-led event series w/ proposed guests, 23 of which had "already agreed in principle" according to the doc. Some of those listed include Noam Chomsky, Woody Allen, Barack Obama, Larry Page and Elon Musk.
Reposted by Seth Fletcher
Authorities Investigating Explosion at Harvard Medical School, Believed To Be Intentional
www.thecrimson.com/article/2025...
www.thecrimson.com/article/2025...
Authorities Investigating Explosion at Harvard Medical School, Believed To Be Intentional | News | The Harvard Crimson
A device exploded inside the Goldenson Building in Harvard’s Longwood medical campus early Saturday morning, according to a message from the Harvard University Police Department to University affiliat...
www.thecrimson.com
November 2, 2025 at 7:12 PM
Authorities Investigating Explosion at Harvard Medical School, Believed To Be Intentional
www.thecrimson.com/article/2025...
www.thecrimson.com/article/2025...
Reposted by Seth Fletcher
Hurricane Melissa and the knotty problem of hurricane categories: 🧪 www.scientificamerican.com/article/does...
Is It Time to Classify Hurricanes as Category 6?
Hurricane Melissa’s powerful winds and drenching rains devastated Jamaica. But is its wrath a sign that we need a new designation for monster storms?
www.scientificamerican.com
October 29, 2025 at 8:09 PM
Hurricane Melissa and the knotty problem of hurricane categories: 🧪 www.scientificamerican.com/article/does...
Reposted by Seth Fletcher
People need to stop retconning literally the worst era in American popular music history into something it wasn't, just because there were also some amazing records that like 250 people happened to be hunting down and listening to
October 29, 2025 at 4:16 PM
People need to stop retconning literally the worst era in American popular music history into something it wasn't, just because there were also some amazing records that like 250 people happened to be hunting down and listening to
Reposted by Seth Fletcher
A nearly perfect alignment of factors has enabled Hurricane Melissa to become one of the most intense Atlantic storms ever recorded
The Science of How Hurricane Melissa Became So Extreme
A nearly perfect alignment of factors has enabled Hurricane Melissa to become one of the most intense Atlantic storms ever recorded
www.scientificamerican.com
October 28, 2025 at 7:39 PM
A nearly perfect alignment of factors has enabled Hurricane Melissa to become one of the most intense Atlantic storms ever recorded
Reposted by Seth Fletcher
This is actually a perfect meme.
Send this to anyone, at any time, for any reason!
Send this to anyone, at any time, for any reason!
October 20, 2025 at 11:19 PM
This is actually a perfect meme.
Send this to anyone, at any time, for any reason!
Send this to anyone, at any time, for any reason!
Reposted by Seth Fletcher
this is the dumbest shit i have ever read
October 15, 2025 at 7:52 PM
this is the dumbest shit i have ever read
Reposted by Seth Fletcher
On today's Science Quickly, I interviewed a former White House doctor about the president's care, aging and more: "It is a fact of science, it's not a political attack, that humans past the age of 60... start to have cognitive decline."
"We have a gerontocracy."
Listen on @sciam.bsky.social 🎧
"We have a gerontocracy."
Listen on @sciam.bsky.social 🎧
Transforming Presidential Health Care: Insights from a Former White House Doctor
A former White House physician reveals the medical realities of caring for the president of the U.S.
www.scientificamerican.com
October 10, 2025 at 3:28 PM
On today's Science Quickly, I interviewed a former White House doctor about the president's care, aging and more: "It is a fact of science, it's not a political attack, that humans past the age of 60... start to have cognitive decline."
"We have a gerontocracy."
Listen on @sciam.bsky.social 🎧
"We have a gerontocracy."
Listen on @sciam.bsky.social 🎧
Reposted by Seth Fletcher
Happy 120th birthday, special relativity!
Albert Einstein introduced special relativity in the paper "On The Electrodynamics Of Moving Bodies," published in Annalen der Physik #OTD in 1905. 🧪 ⚛️ 🔭
Manuscript: onlinelibrary.wiley.com/doi/abs/10.1...
English: www.fourmilab.ch/etexts/einst...
Albert Einstein introduced special relativity in the paper "On The Electrodynamics Of Moving Bodies," published in Annalen der Physik #OTD in 1905. 🧪 ⚛️ 🔭
Manuscript: onlinelibrary.wiley.com/doi/abs/10.1...
English: www.fourmilab.ch/etexts/einst...
September 26, 2025 at 6:17 PM
Happy 120th birthday, special relativity!
Albert Einstein introduced special relativity in the paper "On The Electrodynamics Of Moving Bodies," published in Annalen der Physik #OTD in 1905. 🧪 ⚛️ 🔭
Manuscript: onlinelibrary.wiley.com/doi/abs/10.1...
English: www.fourmilab.ch/etexts/einst...
Albert Einstein introduced special relativity in the paper "On The Electrodynamics Of Moving Bodies," published in Annalen der Physik #OTD in 1905. 🧪 ⚛️ 🔭
Manuscript: onlinelibrary.wiley.com/doi/abs/10.1...
English: www.fourmilab.ch/etexts/einst...
Reposted by Seth Fletcher
U.S. States Start Sharp Divisions on Vaccines
West Coast states are forming their own vaccine compact as Florida announces plans to ditch shot requirements for schoolchildren
www.scientificamerican.com/article/u-s-...
West Coast states are forming their own vaccine compact as Florida announces plans to ditch shot requirements for schoolchildren
www.scientificamerican.com/article/u-s-...
U.S. States Start Sharp Divisions on Vaccines
West Coast states are forming their own vaccine compact as Florida announces plans to ditch shot requirements for schoolchildren
www.scientificamerican.com
September 3, 2025 at 10:29 PM
U.S. States Start Sharp Divisions on Vaccines
West Coast states are forming their own vaccine compact as Florida announces plans to ditch shot requirements for schoolchildren
www.scientificamerican.com/article/u-s-...
West Coast states are forming their own vaccine compact as Florida announces plans to ditch shot requirements for schoolchildren
www.scientificamerican.com/article/u-s-...
Reposted by Seth Fletcher
Fine, clear @sciam.bsky.social wrapup of the current state of peanut-allergy treatments contains the surprising (to me, anyway) news that UCLA researchers are in the early stages of developing a kind of mRNA "vaccine" for peanut allergies. Wonder how that work is faring under the new dispensation.
New Therapies May Free Kids from the Deadly Threat of Peanut Allergy
Remarkable new treatments can free millions of kids and adults from the deadly threat of peanut allergy, tackling one of our fastest-growing medical problems
www.scientificamerican.com
August 29, 2025 at 12:21 AM
Fine, clear @sciam.bsky.social wrapup of the current state of peanut-allergy treatments contains the surprising (to me, anyway) news that UCLA researchers are in the early stages of developing a kind of mRNA "vaccine" for peanut allergies. Wonder how that work is faring under the new dispensation.
Reposted by Seth Fletcher
I should've noted there's a great sale currently in effect for Scientific American's 180th anniversary (ends Sept 2, 2025). $18/year digital subscription. Or 50% off for the unlimited sub (print edition + ad-free digital access to full archive + tote combo) www.scientificamerican.com/getsciam/ 🧪
Founded 180 years ago today, @sciam.bsky.social is the oldest continually published mag in the US. A fun history dive here to celebrate: 🧪 www.scientificamerican.com/report/celeb...
If you think it’s cool a science mag holds the record, please consider subscribing to kick off our next 180 years.
If you think it’s cool a science mag holds the record, please consider subscribing to kick off our next 180 years.
Celebrating 180 Years of Scientific American
Since 1845, SciAm has chronicled the science shaping our world. Explore our legacy in this special anniversary package.
www.scientificamerican.com
August 28, 2025 at 2:32 PM
I should've noted there's a great sale currently in effect for Scientific American's 180th anniversary (ends Sept 2, 2025). $18/year digital subscription. Or 50% off for the unlimited sub (print edition + ad-free digital access to full archive + tote combo) www.scientificamerican.com/getsciam/ 🧪
Reposted by Seth Fletcher
Dude can write a lede:
 “‘Kaboom’ is not the sound you want a rocket ship to make, as a rule. Yet that’s the problem facing the private aerospace company SpaceX and its leader, Elon Musk.” @jetjocko.bsky.social
www.scientificamerican.com/article/why-...
 “‘Kaboom’ is not the sound you want a rocket ship to make, as a rule. Yet that’s the problem facing the private aerospace company SpaceX and its leader, Elon Musk.” @jetjocko.bsky.social
www.scientificamerican.com/article/why-...
SpaceX’s Starship Is Supposed to Be the Future of Spaceflight—So Why Does It Keep Exploding?
After a string of fiery failures, SpaceX’s biggest rocket faces another test flight with sky-high stakes for U.S. space ambitions
www.scientificamerican.com
August 22, 2025 at 7:05 PM
Dude can write a lede:
 “‘Kaboom’ is not the sound you want a rocket ship to make, as a rule. Yet that’s the problem facing the private aerospace company SpaceX and its leader, Elon Musk.” @jetjocko.bsky.social
www.scientificamerican.com/article/why-...
 “‘Kaboom’ is not the sound you want a rocket ship to make, as a rule. Yet that’s the problem facing the private aerospace company SpaceX and its leader, Elon Musk.” @jetjocko.bsky.social
www.scientificamerican.com/article/why-...
Reposted by Seth Fletcher
How much does the environment we’re raised in change how we see the world? Wonderful piece in @sciam.bsky.social by @norabradford.bsky.social, ft. an interview with @dorsaamir.bsky.social about our work on the 'cultural byproduct hypothesis'.
www.scientificamerican.com/article/does...
www.scientificamerican.com/article/does...
Why a Classic Psychology Theory about Vision Has Fallen Apart
The downfall of a long-standing theory in psychology raises a question: How much does the environment we’re raised in change how we literally see the world?
www.scientificamerican.com
August 22, 2025 at 5:06 PM
How much does the environment we’re raised in change how we see the world? Wonderful piece in @sciam.bsky.social by @norabradford.bsky.social, ft. an interview with @dorsaamir.bsky.social about our work on the 'cultural byproduct hypothesis'.
www.scientificamerican.com/article/does...
www.scientificamerican.com/article/does...
Reposted by Seth Fletcher
Reposted by Seth Fletcher
The largest US measles outbreak since 2000 is officially over. But measles isn't done with us, and kids are still at risk. Here's what you need to know about where we are now: 🧪 www.scientificamerican.com/article/what...
What to Know about Measles as the Outbreak in Texas Ends and the School Year Begins
Texas may have declared its measles outbreak over, but rising cases elsewhere and the return to school mean it could easily resurge
www.scientificamerican.com
August 21, 2025 at 12:49 PM
The largest US measles outbreak since 2000 is officially over. But measles isn't done with us, and kids are still at risk. Here's what you need to know about where we are now: 🧪 www.scientificamerican.com/article/what...
Scientists have made big, life-changing strides in treating peanut allergy, gathering clues that could eventually help treat other food allergies as well. @marynmck.bsky.social explains the good news in our September cover story www.scientificamerican.com/article/new-...
New Therapies May Free Kids from the Deadly Threat of Peanut Allergy
Remarkable new treatments can free millions of kids and adults from the deadly threat of peanut allergy, tackling one of our fastest-growing medical problems
www.scientificamerican.com
August 20, 2025 at 4:47 PM
Scientists have made big, life-changing strides in treating peanut allergy, gathering clues that could eventually help treat other food allergies as well. @marynmck.bsky.social explains the good news in our September cover story www.scientificamerican.com/article/new-...
Reposted by Seth Fletcher
From Miami to Maine, the East Coast is under moderate or high rip current risk advisories because of Hurricane Erin
Going to the Beach? Watch Out for Rip Currents from Hurricane Erin
From Miami to Maine, the East Coast is under moderate or high rip current risk advisories because of Hurricane Erin
www.scientificamerican.com
August 19, 2025 at 8:22 PM
From Miami to Maine, the East Coast is under moderate or high rip current risk advisories because of Hurricane Erin
Reposted by Seth Fletcher
The president just issued an executive order asserting new and wide-ranging authority over the issuance of federal grants. This will have huge repercussions for the daily operations of US science. 🧪
Also, lawyers are gonna be lawyering.
www.whitehouse.gov/presidential...
Also, lawyers are gonna be lawyering.
www.whitehouse.gov/presidential...
Improving Oversight of Federal Grantmaking
By the authority vested in me as President by the Constitution and the laws of the United States of America, and to improve the process of Federal
www.whitehouse.gov
August 7, 2025 at 9:01 PM
The president just issued an executive order asserting new and wide-ranging authority over the issuance of federal grants. This will have huge repercussions for the daily operations of US science. 🧪
Also, lawyers are gonna be lawyering.
www.whitehouse.gov/presidential...
Also, lawyers are gonna be lawyering.
www.whitehouse.gov/presidential...
Reposted by Seth Fletcher
One simple thing you can do to support journalism in these days of AI summaries and social media walled gardens: click on the link. Go to the site. Yes it really is that easy.
I wish as many people wanted to actually click on Teen Vogue stories as like a post about our work being good and important, because this post is almost at 20k likes and that would be pretty good traffic!
Washington Post: “Is fascism bad? The answer may surprise you”
Teen Vogue: “Here are three fun tips you can use this summer to disable an armored personnel carrier”
Teen Vogue: “Here are three fun tips you can use this summer to disable an armored personnel carrier”
August 7, 2025 at 1:17 AM
One simple thing you can do to support journalism in these days of AI summaries and social media walled gardens: click on the link. Go to the site. Yes it really is that easy.