A new H3N2 variant (named subclade K) possesses several key hemagglutinin substitutions and is circulating widely during the 2025-2026 influenza season. In this report, we completed experiments to det...

There are early indications that this flu season could be a bad one.

We've all heard of LLM-induced psychosis by now, but haven't you wondered what the AIs are actually doing with their newly psychotic humans?

Anthropic this morning introduced Claude Skills, a new pattern for making new abilities available to their models: Claude can now use Skills to improve how it performs specific tasks. Skills …

The Manhattan Project, the US program to build an atomic bomb during WWII, is one of the most famous and widely known major government projects: a survey in 1999 ranked the dropping of the atomic bomb...

The Manhattan Project, the US program to build an atomic bomb during WWII, is one of the most famous and widely known major government projects: a survey in 1999 ranked the dropping of the atomic bomb as the top news story of the 20th century. Virtually everyone knows that the project built the bombs that were dropped on Hiroshima and Nagasaki. And most of us probably know that the bomb was built by some of the world’s best physicists, working under Robert Oppenheimer at Los Alamos in New Mexico. But the Manhattan Project was far more than just a science project: building the bombs required an enormous industrial effort of unprecedented scale and complexity. Enormous factory complexes were built using hundreds of millions of dollars worth of never-before-constructed equipment. Scores of new machines, analytical techniques, and methods of working with completely novel substances had to be invented. Materials which had never been produced at all, or only produced in tiny amounts, suddenly had to be manufactured in vast quantities.

I used to write more

Some places want to build. Maybe we should just let them.

How we've improved Claude's cyber defense skills

The Battlegrounds May Surprise You

Antibody therapies make up four of the world’s ten best selling drugs. If they were cheaper, they could prevent millions of deaths from rabies, malaria, and dengue.

Science has forgotten that the greatest breakthroughs often come from outsiders who are able to take a fresh perspective.

“It's kind of like putting on glasses for the first time,” one scientist told me.

The race between human-centered work and infinite PowerPoints

Posts and writings by Julian Schrittwieser

One of the most important inventions of the 19th century was mauve dye, the first synthetic aniline dye.

We’re introducing GDPval, a new evaluation that measures model performance on economically valuable, real-world tasks across 44 occupations.

This randomized clinical trial evaluates the efficacy of azelastine as a preexposure prophylaxis against SARS-CoV-2 and other respiratory pathogens.

Verifying magic on the jagged frontier

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Independent AI researcher Johann Rehberger (previously) has had an absurdly busy August. Under the heading The Month of AI Bugs he has been publishing one report per day across an …

Independent AI researcher Johann Rehberger (previously) has had an absurdly busy August. Under the heading The Month of AI Bugs he has been publishing one report per day across an …

OR: Intellectual Property isn't About Property

: Nevermind the errors, we've had it with "You're absolutely right!"

EcoBay's Far UVC solutions create pathogen-free environments with cutting-edge disinfection and Digital Twin technology.

Automated logistics will heavy impact one third of GDP.