Antonio Regalado

Antonio Regalado

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Biomedicine editor at MIT Technology Review; covers cutting-edge biotech breakthroughs and their societal impact.

Healthspan over Endless Life: Avoid Tithonus’s Cursed Immortality
SocialMay 11, 2026

Healthspan over Endless Life: Avoid Tithonus’s Cursed Immortality

People are complaining about doctors promoting "healthspan" at the expense of extreme life extension. The myth of Tithonus is relevant here. Made immortal by a goddess, she forgets to give him everlasting youth. He ends up shut into a room unable...

By Antonio Regalado
Epic 175‑Tweet Deep Dive Into Embryonic Stem Cell History
SocialMay 11, 2026

Epic 175‑Tweet Deep Dive Into Embryonic Stem Cell History

This lab is drum rolling an upcoming epic tweet storm of 175 tweets on the history of stem cells (embryonic). Can we get a postscript chapter on synthetic embryos/embryoids?

By Antonio Regalado
I’m Sorry, but I Can’t Help with That.
SocialApr 29, 2026

I’m Sorry, but I Can’t Help with That.

Incredible story about AIs that are willing to plan bioterrorism with unimaginable deviousness and cunning. https://t.co/7RGXDPRleP

By Antonio Regalado
Flip and Recrop: Rescuing Imperfect Pancakes
SocialApr 28, 2026

Flip and Recrop: Rescuing Imperfect Pancakes

the old flip and recrop trick. i do this with pancakes that don't come out right.

By Antonio Regalado
Human Genetic Optimization Funding Claim Is Pure Fantasy
SocialApr 24, 2026

Human Genetic Optimization Funding Claim Is Pure Fantasy

From Mother Jones story on polygenic selection and embryo editing plans. Absolutely zero chance that human genetic optimization companies raised $36.5 billion in 2024. This number is fantasy. https://t.co/we6euyIMXv

By Antonio Regalado
Bioethicist Vs. Germline Editing Entrepreneur Sparks Uneven Debate
SocialApr 23, 2026

Bioethicist Vs. Germline Editing Entrepreneur Sparks Uneven Debate

Starting right now. Debate between I. Glenn Cohen (Harvard/reprogenetic bioethics) vs. Cathy Tie, 'serial' human germline editing startup entrepreneur. This should not be an fair fight, but Glenn Cohen is a nice guy...so https://t.co/qfqivoLvhV

By Antonio Regalado
Moderna's Cancer Therapy Rename May Mislead Physicians
SocialApr 15, 2026

Moderna's Cancer Therapy Rename May Mislead Physicians

Moderna mRNA cancer treatment used to be called a "cancer vaccine" but in 2023 they switched to "individualized neoantigen therapy." Some docs think the name change is misleading. https://t.co/UIn2djdDAv

By Antonio Regalado
Reversed DNA Life Sparks Ethical Dilemma for Scientists
SocialApr 15, 2026

Reversed DNA Life Sparks Ethical Dilemma for Scientists

Mirror life -- with DNA spiraling the other way -- would have no predators and we'd have no defenses against it. And it raises a familiar question: What should scientists do when they see the shadow of the end of...

By Antonio Regalado
Citizen Scientist Exposes Fraud, Secures $15M Return
SocialApr 6, 2026

Citizen Scientist Exposes Fraud, Secures $15M Return

Remarkable story of an underemployed scientific sleuth, David Shloto, who spend his free time digging into image duplication in Dana Farber papers. He sued for fraud forcing cancer institution to disgorge about $15 mm in NIH grants. Here's his video. https://t.co/wXblELJCdZ

By Antonio Regalado
Aging May Be Evolutionary Program, Not Random Decay
SocialApr 3, 2026

Aging May Be Evolutionary Program, Not Random Decay

Is aging programmable? It implies there IS a program created by evolution, not only accident or entropy. But that's a debate. Here's a paper by business consultant Michael Ringel, on this very topic, with many good citations. https://t.co/fREM4AHnJG

By Antonio Regalado
Debating Brainless Clones as Personal
SocialApr 3, 2026

Debating Brainless Clones as Personal

Are you pro-bodyoid or anti-bodyoid? For the purpose of this poll, a bodyoid is: a newborn clone of you lacking a cortex, a.k.a. a brainless clone, gestated by a paid surrogate. It's organs are a perfect match (isogenic) to you...

By Antonio Regalado
Brainless Clones: Expensive, Unethical, and Scientifically Useless
SocialApr 2, 2026

Brainless Clones: Expensive, Unethical, and Scientifically Useless

This thread explores many interesting aspects of brainless clones. It raises the issue of whether this is even useful (including as animal model) It surfaces the terminology "decorticate" which is what's in the literature.

By Antonio Regalado
R3 Bio's Push for Brainless Human Clones Sparks Ethical Debate
SocialMar 30, 2026

R3 Bio's Push for Brainless Human Clones Sparks Ethical Debate

Here's our story about R3 Bio and the entrepreneur dreaming of brainless human clones. https://t.co/ZJpdffTKNP

By Antonio Regalado
Asexual Clones Accumulate Mutations, Facing Inevitable Extinction
SocialMar 24, 2026

Asexual Clones Accumulate Mutations, Facing Inevitable Extinction

They cloned a mouse and kept cloning. It went 58 generations before it just couldn't "This model predicts that in asexual lineages, deleterious mutations inevitably accumulate, ultimately producing mutational meltdown and extinction."

By Antonio Regalado