The hottest Science Substack posts right now

And their main takeaways
Category
Top Science Topics

A Camera, Not an Engine

Breaking Smart • 218 implied HN points • 09 Dec 23
🔬 Science Artificial Intelligence Information Theory
  1. Modern AI is more about discovery than invention, revealing hidden worlds within large datasets.
  2. Intelligence in AI is primarily a function of the data it's trained on, not just the processing mechanisms.
  3. AI is like a powerful camera allowing us to see into computational reality, providing insight into the nature of information and matter.

Random chess position

Infinitely More • 23 implied HN points • 20 Jul 25
🔬 Science Mathematics Physics Logic Computer Science Game Theory
  1. Most random arrangements of chess pieces are not legal moves in a game. It's rare for pieces to be placed in a way that follows the rules of chess.
  2. When you randomly scatter 32 chess pieces on a board, there are many more illegal positions than legal ones. This shows how strict the game rules are.
  3. Understanding chess positions can help improve strategic thinking. It’s interesting to see how players use the rules to create valid game scenarios.

Race, Gender and IQ

David Friedman’s Substack • 323 implied HN points • 25 May 23
🔬 Science Race IQ Gender Environment Genetics
  1. Publicly discussing racial and gender differences in IQ can lead to accusations of prejudice, as seen in the cases of James Watson and Lawrence Summers.
  2. Evidence suggests that the genetic IQ of Africans is comparable to that of whites, challenging previous assumptions of lower intelligence.
  3. Nurture may play a smaller role than nature in influencing outcomes, as seen in a study of Korean-American children placed for adoption.
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Genetics can predict height, cancer risks, neuropsychiatric diseases and more — but not IQ?

Nucleus Genomics • 4 HN points • 11 Jul 24
🔬 Science Genetics Research Health Technology Education
  1. Genetics can help us understand traits like height and disease risks, but predicting intelligence (IQ) is much more complex and not fully possible yet.
  2. Current genetic models can give partial insights about how genes may influence intelligence but cannot tell you your exact IQ.
  3. As technology improves, genetic predictions for traits, including intelligence, may get better, providing more useful information about how genetics interacts with environment.

When Technology Goes Bad

New Things Under the Sun • 320 implied HN points • 16 May 23
🔬 Science Technology Economic Growth Climate change Renewable Energy
  1. Historically, technology has skewed towards 'good' due to various reasons like benefitting from invention, collaborative research, and technological capabilities for safety.
  2. Economic growth models explore the trade-off between innovation and safety, showing that as humans get richer, they may prioritize safety over growth.
  3. Investing in safety technologies alongside economic growth can mitigate risks posed by dangerous technology like fossil fuels, pointing towards a more sustainable future.

Four Simple Questions

Gordian Knot News • 183 implied HN points • 24 Feb 24
🔬 Science Nuclear power Regulation
  1. Masking up with N95 masks can significantly reduce inhalation dose during a nuclear event, but pro-nuke advocates rarely mention this lifesaving tip.
  2. Spent nuclear fuel becomes significantly less dangerous over time due to radioactive decay, with minimal risk after 600 years. This valuable material can also be recycled and is not as hazardous as commonly believed.
  3. The Linear No Threshold (LNT) radiation model is flawed in its assumption of strictly additive harm. Challenging this model and proposing an alternative that considers our body's ability to repair radiation damage is key to advancing nuclear power safety.

Cheating at Evolution

Eat Shit and Prosper • 159 implied HN points • 01 Nov 22
🔬 Science Biology Microbiology Evolution Genetics Health
  1. Bacteria can share genes with each other quickly, helping them adapt and survive in their environment. This 'horizontal gene transfer' allows them to grab useful traits without the slow process of traditional evolution.
  2. Some animals eat feces to gain beneficial bacteria that help them digest tough foods and absorb nutrients. This behavior helps spread helpful microbes more quickly among their populations.
  3. Understanding how microbes influence our health could lead to new treatments for various diseases. Using healthy microbes from poop could potentially improve a person's well-being significantly.

Well Traveled Cement

Street Smart Naturalist: Explorations of the Urban Kind • 219 implied HN points • 28 Apr 22
🔬 Science Geology Environmental History Botany Urban Studies
  1. Cement in Seattle comes from limestone that originated in the Pacific Ocean around 200 million years ago. This means the material in our buildings has a fascinating history.
  2. From the 1860s to 1920s, San Juan Island was a key source of lime for cement production in Washington. Workers made quicklime by heating limestone, which was then used to create mortar and cement.
  3. Seattle's cement boom kicked off after the Great Fire of 1889, leading to building codes that favored durable materials. So, the buildings we see today have stories dating back millions of years.

The Trouble with Fusion

Gordian Knot News • 183 implied HN points • 18 Feb 24
🔬 Science Fusion Energy Technology Engineering Physics
  1. Fusion faces difficult technical challenges like damage to the first wall, intense heat transfer, and high maintenance due to activation of materials.
  2. Achieving economic viability in fusion is a major hurdle, with immense parasitic loads and a fusion gain ratio that can be a significant challenge to achieve.
  3. Standard fusion processes like using deuterium and tritium result in energy losses due to the need for high quality energy input, which makes fusion less self-sustaining than fission.

Forget Gene Therapy. Microbes are the Future of Medicine.

Eat Shit and Prosper • 159 implied HN points • 28 Oct 22
🔬 Science Microbiology Genetics Evolution Health Medicine
  1. Microbes in our gut act like software, constantly changing and adapting, while our genes stay mostly fixed. This flexibility allows our bodies to optimize their functions more effectively.
  2. Unlike permanent changes in our DNA, mutations in microbes can lead to quick advantages without the risk of harmful outcomes. This means our body can benefit from favorable changes without damaging our core genetic makeup.
  3. Using microbes to adapt to different diets or conditions is faster and less risky than gene therapy. Microbes evolve quickly, making them a promising tool for improving health and dealing with diseases.

RKUL: Time Well Spent 03/03/2024

Razib Khan's Unsupervised Learning • 171 implied HN points • 04 Mar 24
🔬 Science Evolutionary biology Genetics Anthropology Ancient History Podcasts
  1. Parents can now screen embryos during IVF using whole genome sequencing to check for hundreds of conditions, keeping families safe.
  2. The presence of maternal grandmothers has been linked to higher survivorship among grandchildren, showing the evolutionary importance of menopause.
  3. Research on ancient DNA and AI may offer valuable insights into human history, potentially surpassing the impact of ancient DNA studies.

Stories We’d Like to Publish

Asimov Press • 174 implied HN points • 03 Mar 24
🔬 Science Biotechnology Genetics Microbiology Predictive Models Animal Welfare
  1. Asimov Press is publicly sharing ideas for essays they'd like to publish and inviting writers to contribute by emailing them at [email protected].
  2. Topics in biotechnology range from synthetic blood development to artificial wombs and synthetic nitrogen fixation, showcasing the broad spectrum of innovative research being undertaken.
  3. Biotechnology advancements aim to address a variety of issues, such as animal welfare, predictive growth models for microbes, and challenges in protein structure prediction, highlighting the diverse applications and potential impact of biotechnological research.

Talking research integrity at Stanford

Science Forever • 19 implied HN points • 04 Mar 24
🔬 Science Research Integrity Academia Publications Errors
  1. Research integrity issues are systemic, not just due to individual mistakes. Institutions must take responsibility for addressing these problems.
  2. Tools like Proofig help catch errors in papers, emphasizing the importance of correcting mistakes promptly.
  3. Reducing stigma around correcting papers, proactive responses from institutions, and encouraging a culture of self-correction are crucial for improving research integrity.

More info, more problems

inexactscience • 39 implied HN points • 16 Nov 23
🔬 Science Research Economics Experiments Statistics Psychology
  1. When people get more information, they often underreact instead of overreact. This means they might ignore new data instead of properly adjusting their predictions.
  2. Experiments showed that when faced with two variables, people made less accurate forecasts. Adding complexity actually made their predictions worse.
  3. Having clear instructions and understanding of the information really helps improve decision-making. If people are confused, they tend to ignore important details.

A polynomial with Rubik’s cube symmetry

A Piece of the Pi: mathematics explained • 78 implied HN points • 25 Nov 24
🔬 Science Mathematics Symmetry Group Theory
  1. Rubik’s Cube has a huge number of ways it can be scrambled, around 43 quintillion, which shows its interesting symmetry in math. It can be thought of as not just a puzzle, but a complex mathematical object.
  2. There are specific rules about how the pieces of the Rubik’s Cube can be rearranged, which creates a lot of interesting patterns and symmetries. This helps mathematicians understand how groups of movements relate to each other.
  3. Recent research has shown that it's possible to find polynomials that have the same symmetries as the Rubik’s Cube. This connects the world of puzzles to deeper mathematical concepts, making it a fun area to explore.

Lateral thinking

Logging the World • 79 implied HN points • 12 Nov 22
🔬 Science Research Data Analysis Public Health Epidemiology Testing
  1. Lateral flow tests had a much lower false positive rate than many initially assumed, around 0.03%, showing their effectiveness.
  2. Data on PCR retests of positive lateral flow tests revealed a positive predictive value of 82% even at low prevalence, supporting the reliability of lateral flow tests.
  3. A rise in prevalence due to variants like delta and omicron, as well as ease in lockdown restrictions, contributed to the wider acceptance of lateral flow tests for controlling the pandemic.

The Struggle for Survival, Information, and Immortality

Ulysses • 59 implied HN points • 13 Mar 23
🔬 Science Evolution Genetics Language Memory Writing
  1. Living beings navigate the world by ingesting information to survive and evolve, as genes constantly adapt and species evolve through the exchange of genetic material.
  2. Human survival relies heavily on memetic information stored in our minds, with language playing a crucial role in passing on knowledge and shaping societies.
  3. Writing is a powerful tool for achieving a form of immortality by transferring ideas and knowledge across generations, transcending biological limitations.

How things come to be as they are

Overthinking Everything • 349 implied HN points • 19 Feb 23
🔬 Science Evolution Biology Technology Memes Patterns
  1. The theory of evolution explains the existence, creation, and extinction of things based on modifications and combinations of existing entities.
  2. Evolutionary processes are not confined to biological organisms but also apply to technologies, ideas (memes), and even inanimate objects like rocks.
  3. Understanding evolutionary theory can help in generating plausible explanations for how things came to be and in devising actions to shape the desired outcomes.

The Sequence Chat: Can AI Solve The Riemann Hypothesis? Some Ideas About the Progress and Limitations of AI in Science

TheSequence • 70 implied HN points • 18 Dec 24
🔬 Science Mathematics Artificial Intelligence Physics Chemistry Technology
  1. AI has made impressive strides in scientific fields, helping tackle complex problems across various disciplines like chemistry and physics. This progress shows that AI can be a powerful tool in advancing our understanding of science.
  2. The Riemann Hypothesis is a famous unsolved math problem that could significantly enhance our knowledge of prime numbers. Its simplicity in concept and complexity in proof makes it a unique challenge for both humans and AI.
  3. While AI has potential in scientific research, there are limitations to what it can achieve, especially in tackling deeply complex problems like the Riemann Hypothesis. The unique nature of such challenges may be beyond AI's current capabilities.

mathiness instills confidence

bad cattitude • 165 implied HN points • 22 Feb 24
🔬 Science Mathematics Psychology Cognitive Science Research Climate Science
  1. Mathiness can make people feel more confident, especially if they aren't familiar with math.
  2. Adding complex math or 'mathiness' to information can influence how people perceive its quality, especially if they lack knowledge in math and models.
  3. It's important to be cautious of trusting information just because it includes numbers or complex equations; don't assume accuracy or rigor without verifying.

Techno-Optimism Vs. Nature

The Digital Anthropologist • 39 implied HN points • 04 Nov 23
🔬 Science Technology Nature Evolution Complexity Harmony
  1. Techno-Optimism focuses on using technology to evolve and overcome biological weaknesses imposed by nature.
  2. Techno-Optimists often misunderstand the origins of technology, which actually stem from nature and natural resources.
  3. Harmonizing technology with nature can lead to greater chances of human evolution and discovery, showing the importance of working alongside nature.

Roche Nanopore: First Thoughts (Pt 1)

ASeq Newsletter • 51 implied HN points • 20 Feb 25
🔬 Science Genetics Biotechnology Research Innovation Technology
  1. Roche Nanopore's new sequencing method shows really impressive early results, which builds confidence in its technology.
  2. The accuracy of their duplex sequencing is reportedly better than Illumina's, suggesting it could be useful for many different applications.
  3. More information will be shared soon, as there's ongoing discussion and a second post in the works.

Culture and Humans Living Forever

The Digital Anthropologist • 39 implied HN points • 01 Nov 23
🔬 Science Technology Anthropology Philosophy Sociology History
  1. Advancements in science may soon allow humans to live for hundreds of years, leading to complex cultural adaptations.
  2. The concept of living forever raises ethical and societal questions, such as equal access to longevity treatments and redefining traditional milestones like retirement.
  3. The shift towards longer lifespans will challenge our current economic and cultural systems, impacting everything from wealth accumulation to family structures.

Unlocking Precision Fermentation Via Protein Engineering

Splitting Infinity • 39 implied HN points • 30 Oct 23
🔬 Science Biochemistry Biotechnology Genetics Protein engineering Synthetic Biology
  1. Yeast, especially in precision fermentation, can be genetically modified to produce a wide range of chemicals, biologics, and medicines by augmenting their genes.
  2. The main challenge in precision fermentation is reducing costs, particularly in the purification process where proteins are separated from complex solutions.
  3. Novel techniques like self-cleaving tags and self-aggregating proteins offer promising solutions for purifying proteins in a cost-effective and efficient manner, potentially eliminating the need for expensive purification methods like column chromatography.