2071
Topics /
Science & Space
The most popular blog posts about science & space on Hacker News. 4,455 posts.
2072
2073
New Glenn Update
Blue Origin announced a series of upgrades to New Glenn designed to increase payload performance and launch cadence, while enhancing reliability.
2074
Could the ancient Romans have built a digital computer?
The Romans were undoubtedly master engineers. They were experts at civil engineering, building roads, improving sanitation, inventing Roman concrete, and constructing aqueducts that adhere to tolerances impressive even by today’s standards. Perhaps the best evidence of their aptitude is the fact that many of those…
2075
A primer on the current state of longevity research
4k words, 19 minutes reading time
2076
Why do some radio towers blink?
One day on my drive home, I saw three towers. One of them had a bunch of blinking white lights, another one had red lights that kind of faded in and out, and the third one, well, it wasn't doing anything. I'm lucky to have a radio engineer for a dad, so Dad: why do some towers blink?
2077
Vitamin D supplements lower risk of autoimmune disease, researchers say
A new study finds vitamin D supplements with or without omega-3s decreased the risk of autoimmune diseases by 22 percent compared to placebo.
2078
Claude Shannon: Mathematician, engineer, genius and juggler (2017)
By Rob Goodman and Jimmy Soni, co-authors A MIND AT PLAY: How Claude Shannon Invented the Information Age “Do you mind if I hang you upside down by your legs?” From any other professor, this question might have elicited concern. But from Claude Shannon, it was par for the course. Shannon had in mind an elaborate…
2079
How the brain's activity, energy use and blood flow change as people fall asleep
Read the latest articles, insights, and press releases from Mass General Brigham.
2080
2081
2082
Blood pressure e-tattoo promises continuous, mobile monitoring
Blood pressure is one of the most important indicators of heart health, but it's tough to frequently and reliably measure outside of a clinical setting.
2083
New studies confirm existence of galaxies with almost no dark matter
A pair of new Yale studies confirm that dark matter is not always associated with traditional matter on a galactic scale — which settles a year-long debate.
2084
Crows can perform as well as 7- to 10-year-olds on cause-and-effect tasks
UCSB researcher shows that New Caledonian crows can perform as well as 7- to 10-year-olds on cause-and-effect water displacement tasks
2085
2086
What are Differential Equations and how do they work?
Science News, Physics, Science, Philosophy, Philosophy of Science
2087
Reading Ancient Scrolls
This is an elaboration of my submission for the letter detection prize as part of the Vesuvius Challenge in June. It gets technical and esoteric but the first few paragraphs are of general interest…
2088
Tiny DNA circles are key drivers of cancer, study finds
Tiny circles of DNA harbor cancer-associated oncogenes and immunomodulatory genes promoting cancer development. They arise during transformation from pre-cancer to cancer, say Stanford Medicine-led team.
2089
How to slow down scientific progress, according to Leo Szilard
“Science would become something like a parlor game. There would be fashions. Those who followed the fashion would get grants”
2090
MIT team invents efficient shockwave-based process for desalination of water
MIT researchers have invented an efficient shockwave-based process for desalination of water.
2091
The crisis in physics is not only about physics
Science News, Physics, Science, Philosophy, Philosophy of Science
2092
2093
Observable Universe contains 10x more galaxies than previously thought (2016)
Astronomers using data from the NASA/ESA Hubble Space Telescopes and other telescopes have performed an accurate census of the number of galaxies in the Universe. The group came to the surprising conclusion that there are at least 10 times as many galaxies in the observable Universe as previously thought. The results…
2094
The first early human eggs from stem cells
A look inside the biology, engineering, and validation behind a major scientific milestone.
2095
Cannabinoids remove plaque-forming Alzheimer's proteins from brain cells (2016)
Founded by polio vaccine developer Jonas Salk, the Salk Institute is an independent, nonprofit organization. We drive foundational, risk-taking research that addresses society’s most pressing challenges, including cancer, Alzheimer’s, and agricultural resilience.
2096
Low-cost gel film can pluck drinking water from desert air
More than a third of the world’s population lives in drylands, areas that experience significant water shortages. Scientists and engineers at The
2097
2098
Why Elephants Don’t Explode: How Nature Solves Bigness
Bối cảnh cá cược thể thao của Việt Nam đang chứng kiến sự tăng trưởng đáng kể, được thúc đẩy bởi sự phổ biến ngày càng tăng của trò chơi. Khi ngày càng
2099
The Unknotting Number Is Not Additive
On June 30, 2025, Mark Brittenham and Susan Hermiller uploaded a preprint to the arXiv called “Unknotting number is not additive under connected sum” (and an updated version on Septembe…
2100
Making Penicillin at Home
This article explains how to make antibiotics at home in the event of a collapse situation