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UCLA discovers first stroke rehabilitation drug to repair brain damage (2025)
A new study by UCLA Health has discovered what researchers say is the first drug to fully reproduce the effects of physical stroke rehabilitation in model mice.
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Science & Space
The most popular blog posts about science & space on Hacker News. 197 posts.
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Good sleep, good learning, good life (2012)
The good educator insists on exercise, play, and plentiful sleep: "the great cordial of nature."
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The United Kingdom generates less electricity per person than in the 1970s
Globally, electricity generation per person has grown by more than 50% this century.
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Einstein's relativity rules chemical bonds in heavy elements, new research shows
Researchers have shown the first direct experimental evidence that the textbook triple bond structure breaks down in heavy elements, where relativity makes the rules.
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CERN levels up with new superconducting karts
The race is on to test new vehicles in the underground Large Hadron Collider tunnel, ahead of major works starting this summer
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IBM debuts sub-1 nanometer chip technology
IBM unveiled a major semiconductor breakthrough with the introduction of the world’s first sub-1 nanometer (nm) chip technology, featuring a revolutionary transistor architecture at the 0.7 nm, or 7 angstrom node.
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Enhancing gut-brain communication reversed cognitive decline in aging mice
Aging causes changes in gut bacteria in mice, which hampers communication between the intestines and the brain. Restoring this connection helped old mice form memories as well as young animals.
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Banning lead in gas worked. The proof is in our hair
Researchers analyzed samples of Utahns' hair going back a century to document a 100-fold decrease in lead concentrations.
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Universal vaccine against respiratory infections and allergens
Stanford Medicine researchers and their colleagues invented a new vaccine that protects mice from respiratory viruses, bacteria and allergens — the closest yet to a universal vaccine.
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CERN and Mistral sign a statement of intent to establish a strategic partnership
CERN and Mistral sign a statement of intent to advance AI for science and strengthen Europe’s scientific and technological capabilities
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Two days of oatmeal reduce cholesterol level
The fact that oats have a beneficial effect on the metabolism is nothing new. German medic Carl von Noorden treated patients with diabetes with the cereal at the beginning of the 20th century – with remarkable success. “Today, effective medications are available to treat patients with diabetes,” explains…
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Global review confirms mRNA vaccines are safe, effective and full of promise
Comprehensive review brings together global evidence to strengthen public trust and counter misinformation as mRNA vaccines expand to prevent and treat more diseases.
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First in-utero stem cell therapy for fetal spina bifida repair is safe: study
A UC Davis Health research team has safely performed the world’s first spina bifida treatment combining fetal surgery with stem cells, according to results from Phase 1 of an ongoing clinical trial. These results have been published today in The Lancet.
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Craig Venter has died
La Jolla, California—April 29, 2026—The J. Craig Venter Institute (JCVI) announced that J. Craig Venter, Ph.D., the Institute’s founder,...
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Navier-Stokes Announcement
The Millennium Prize Problems were unveiled by the Clay Mathematics Institute (CMI) at a meeting in Paris in 2000 to celebrate “The Universality of Mathematical Thought”. These problems encapsulate some of the most difficult challenges that mathematicians were grappling with at the turn of the millennium. CMI’s…
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Hospitals and universities repurposing drugs at lower cost
Universities and hospitals are repurposing existing drugs through late-stage trials with funded costs up to 90% lower than those taking place in the pharmaceutical industry.
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ACM Is Now Open Access
As of January 1, 2026, all ACM publications and related artifacts in the ACM Digital Library are now open access. This change reflects the long-standing and growing call across the global computing community for research to be more accessible, discoverable, and reusable.
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Early progress on accelerating drug development with Claude
Over the past several months, we’ve partnered with six organizations to accelerate curing disease. We’ve also started drug discovery efforts of our own, including programs for rare childhood forms of muscular dystrophy. In this post, we provide an update on our progress.
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Ultrasound imaging of the brain
The most detailed vascular image of a living human brain we've seen, captured with ultrasound through the skull — and the pipeline behind it.
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Top researchers leave USA for the Netherlands (in Dutch)
Het Tulp Fonds dat in 2025 door OCW en NWO in het leven werd geroepen, biedt internationale toponderzoekers de kans om hun onderzoek in Nederland voort te zetten: enerzijds omdat wereldwijd de academische vrijheid onder druk staat, anderzijds omdat hun kennis en expertise een enorme impuls geeft aan de innovatiekracht…
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CERN bids farewell to the LHC and enters Long Shutdown 3
Today, the Large Hadron Collider ( LHC ), the world’s most powerful particle accelerator, comes to the end of an extraordinary chapter in its scientific journey. Following its final physics run , the accelerator has been switched off to begin CERN’s Long Shutdown 3 (LS3), a major programme of maintenance…
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ArXiv receives multiyear commitments to support it as an independent nonprofit
arXiv is pleased to announce that three leading philanthropic organizations have provided multimillion-dollar support for arXiv. These new multiyear…
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Scientists discover Kelvin-Helmholtz Instability on the surface of the Sun
Scientists using the NSF Inouye Solar Telescope discovered Kelvin-Helmholtz instability on the Sun, shedding light on solar activity and space weather.
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Nobel Prize in Chemistry 2026 to Henri B. Kagan and Kenso Soai
The Nobel Prize in Chemistry 2026 was awarded jointly to Henri B. Kagan and Kenso Soai "for the discovery of non-linear effects and autocatalysis in asymmetric organic synthesis"
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ArXiv's Next Chapter
On July 1, 2026, arXiv will spin out from Cornell University, its home for the past 25 years, to become an independent nonprofit organization. With this next…
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An old patent inspired the new "Y-zipper", a three-sided fastener
A new system developed at MIT CSAIL helps users design three-sided fasteners called “Y-zippers,” then 3D prints them. The devices can be attached or embedded to camping equipment, medical gear, robots, and art installations, seamlessly switching each item between soft and rigid.