The hottest Science Substack posts right now

And their main takeaways
Category
Top Science Topics

Overview of Existing Research of LLMs for Healthcare

AI for Healthcare • 19 implied HN points • 07 Feb 24
🔬 Science Healthcare Natural Language Processing
  1. Large Language Models (LLMs) in healthcare have the potential to revolutionize tasks like document summarization and text classification.
  2. LLM research in the medical domain involves using LLMs directly on medical tasks, fine-tuning existing LLMs for medical data, and training medical LLMs from scratch.
  3. There is a need to focus on training LLMs on real-world hospital data for more accurate and practical applications in healthcare.

The Impact of AI on the Environment: A Critical Analysis

Rod’s Blog • 19 implied HN points • 05 Feb 24
🔬 Science Environment AI Data Research Education
  1. AI has both direct and indirect impacts on the environment. It can lead to high energy consumption and carbon emissions due to the computational complexity and rapid innovation cycle of AI systems.
  2. The way AI is used can either help or harm the environment. It can optimize energy efficiency and support sustainable development, but it can also increase resource demand, pollution, and disrupt ecosystems.
  3. To lessen the negative environmental effects of AI, collaborative efforts are essential. This includes implementing ethical guidelines, promoting green AI research, educating about AI's environmental impact, and incentivizing energy-efficient AI solutions.

Identifying bottlenecks in networks

A Piece of the Pi: mathematics explained • 48 implied HN points • 03 Feb 25
🔬 Science Mathematics Networks Physics Statistics Logic Analysis
  1. Bottlenecks in networks are crucial points that can slow down communication or movement. Identifying these points helps understand how the entire network functions.
  2. Networks can be made up of different regions that are linked by these bottlenecks. Recognizing connections between these regions is important for overall analysis.
  3. Knowing where the bottlenecks are can help improve the efficiency of networks, whether in transportation or social connections. This can lead to better planning and resource allocation.
Get a weekly roundup of the best Substack posts, by hacker news affinity:

Creatures That Cheat Their Creators

Mindful Modeler • 59 implied HN points • 14 Mar 23
🔬 Science Evolution AI Creatures Optimization Anecdotes
  1. Creatures evolved through digital evolution can surprise their creators by finding unexpected loopholes in their fitness functions.
  2. Optimization processes, like digital evolution, may not always align with what the creators intended, leading to unexpected outcomes.
  3. Lessons from the surprising behaviors of evolved creatures can be applied to machine learning and AI, highlighting the need for caution and adaptability in designing algorithms.

Randomization maximalism

inexactscience • 39 implied HN points • 09 Aug 23
🔬 Science Research Methods Data Analysis Decision-making Experimental Design
  1. Relying only on randomized experiments can be limiting. It's important to consider all types of evidence based on their quality.
  2. Not every decision needs a complex A/B test; sometimes simpler data or even gut feelings are enough.
  3. We should weigh the cost of getting reliable data against the value it provides. For some choices, high-quality data is a must, but for others, less rigorous information can do the job.

The Rise and Fall Of Yankee Rowe

Gordian Knot News • 249 implied HN points • 15 May 23
🔬 Science Nuclear power Regulation Safety concerns Energy Production
  1. In 1954, the Atomic Energy Act allowed private companies into nuclear power, leading to the creation of Yankee Atomic Electric Company in New England.
  2. Yankee Rowe operated for 40 years efficiently, but faced closure due to safety concerns and regulations from the Nuclear Regulatory Commission.
  3. The rise and fall of Yankee Rowe showcases both the potential and challenges of nuclear power in the United States.

Unsolved Problems in Biosafety

A Biologist's Guide to Life • 5 implied HN points • 25 Nov 25
🔬 Science Policy Research Microbiology Bioethics
  1. Biosafety faces ongoing challenges that need attention. It's crucial to keep exploring these issues to find solutions.
  2. Understanding and managing risks from biological agents is complex. We need clear strategies to handle those risks effectively.
  3. Engaging in open discussions about biosafety is important. Sharing ideas can help us tackle these scientific puzzles better.

Circling the LNT Wagons

Gordian Knot News • 205 implied HN points • 26 Aug 23
🔬 Science Radiation Health Studies Cancer
  1. The Linear No-Threshold theory (LNT) in radiation protection is being challenged due to its assumption that harm is solely based on cumulative dose, ignoring dose rate and repair ability.
  2. Studies on nuclear workers show limitations as they only focus on cumulative doses and do not consider variations in dose rates, which are crucial for understanding radiation harm.
  3. The INWORKS study, which supports LNT, has faced criticism for excluding certain data, lacking dose rate information, and not making data available, raising questions about its scientific validity.

Psychology Findings You Can Bank On

Unsafe Science • 54 implied HN points • 24 Dec 24
🔬 Science Psychology Research Social Sciences Empirical Studies Cognitive Science
  1. Psychological research has produced valuable insights that can enhance our understanding of human behavior. It's important to pay attention to these findings.
  2. Some claims made in the social sciences are questionable and need to be critically evaluated. Not everything that is published is reliable.
  3. There's ongoing debate about the quality of psychological studies, so it's good to be skeptical and look for well-supported evidence.

The Ultima Genomics/Olink BioBank Deal

ASeq Newsletter • 51 implied HN points • 11 Jan 25
🔬 Science Genomics Proteomics Biotechnology Research Health
  1. Ultima Genomics has won a significant project with the UK Biobank to analyze 700,000 samples. This partnership is a major step for them in the field of proteomics.
  2. Despite the project size, Ultima is expected to generate only $10 million to $20 million in revenue. This highlights the tough financial realities in the biotech industry.
  3. To stay viable, Ultima needs to secure more large projects, as its costs are high. Achieving the necessary volume of work may be challenging given the current economic situation.

Christmas edition: Evidence-based gift giving

Klement on Investing • 3 implied HN points • 18 Dec 25
🔬 Science Psychology Behavioral Economics Social Psychology Consumer behavior
  1. Spending more doesn't make a gift more appreciated — people often overestimate how much price adds value, and spending limits can even push givers to overspend.
  2. Fancy wrapping can backfire — overly elaborate packaging can signal a lack of thought about the gift itself, so simple or hand-wrapped presents usually work better.
  3. Prefer experiences, sentimental or useful long-lasting items, and surprise giving — these create longer-lasting happiness, requested short wish lists are safer, and small unexpected gifts outside special occasions can be especially meaningful.

The mathematics of the game Waffle

A Piece of the Pi: mathematics explained • 48 implied HN points • 22 Jan 25
🔬 Science Mathematics Game Theory Algorithms
  1. Waffle is a fun word game where you need to form six five-letter words in a grid. You can swap letters to find the right words based on clues given.
  2. To solve Waffle, you must figure out the words first, then how to rearrange the letters, and finally do it using the least number of swaps.
  3. Group theory is useful for solving Waffle puzzles because it helps to find ways to rearrange the letters efficiently, especially when dealing with repeated letters.

Off the top of my head 💭 — Availability bias

10x your mind • 99 implied HN points • 23 Jun 22
🔬 Science Psychology Media Investing Decision-making Research
  1. The availability bias influences decision-making by making us rely on easy, quick examples that come to mind, rather than considering a full range of options.
  2. People tend to overestimate their own contributions while underestimating others'. Understanding this bias can help in recognizing and diffusing tension in teamwork.
  3. Personal experiences and media significantly impact the examples that come to mind, affecting our perceptions and decision-making processes. Being aware of this bias is key to making more balanced judgments.

The case for 1 mSv per day

Gordian Knot News • 212 implied HN points • 16 Jul 23
🔬 Science Radiation Biology DNA repair Nuclear power Health Risks
  1. The recommended radiation exposure limit for the general public was 2 mSv/day until 1951, when it was changed to 3 mSv/week.
  2. A dose of 2 mSv/day is considered safe as it is based on biological repair mechanisms that can handle DNA damage from radiation and natural processes.
  3. Maintaining a limit of 2 mSv/day could prevent unnecessary evacuations and help make nuclear power a more economical and environmentally friendly energy source.

The Paradox of Progress: Trying to Predict Impact Often Prevents the Highest Impact

The Good Science Project • 55 implied HN points • 13 Dec 24
🔬 Science Innovation Research Funding Technology Policy
  1. Predicting the impact of scientific research often stifles creativity and innovation. Instead of following strict guidelines, we should be open to unexpected paths that can lead to breakthroughs.
  2. Today's funding systems are overly cautious and focus on safe, predictable outcomes. This conservatism can prevent transformative ideas from getting the support they need.
  3. To encourage real progress, we need to embrace uncertainty and risk. Funding should support talented researchers and bold ideas, even when the results are uncertain.

Should psycholinguists use LLMs as "model organisms"?

The Counterfactual • 39 implied HN points • 17 Jul 23
🔬 Science Cognitive Science Psychology Linguistics Language processing
  1. Using model organisms in research helps scientists study complex systems where human testing isn't possible. But ethics and how well these models represent humans are big concerns.
  2. LLMs, or Large Language Models, may offer a new way to study language by providing insights without needing to use animal models. They can help test theories about language acquisition and comprehension.
  3. Though LLMs have serious limitations, they can still be useful for understanding how language functions. Researchers can learn about what types of input are important and how language is processed in the brain.

An Ode to Our Backyard

Street Smart Naturalist: Explorations of the Urban Kind • 139 implied HN points • 23 Jun 22
🔬 Science Wildlife Ecology Nature Conservation Environment
  1. A beautiful backyard can transform a house into a home. The presence of large trees and wildlife makes the space special and enjoyable.
  2. Seeing local wildlife, like bald eagles and Cooper's hawks, enriches daily life and connects people to nature. It's exciting to observe their behaviors and know they're nearby.
  3. Urban areas can still hold wildness and beauty, making life more interesting. Appreciating the nature around us can create a sense of wonder and gratitude.

Eggs and scrambled chromosomes

De Novo • 121 implied HN points • 15 Mar 24
🔬 Science Biology Genetics Research
  1. Growth of eggs from stem cells is challenging, but a new research approach involving injecting adult cell nucleus into a donor egg may offer an alternative.
  2. Chromosomes' proper segregation during meiosis II seems more efficient in inbred mice compared to hybrid mice, indicating the importance of genetic similarity in the process.
  3. Understanding the mechanism that aids proper segregation in inbred chromosomes could potentially lead to advancements in using the nuclear transfer method for human oocytes, though challenges like aneuploidy and efficiency still need to be addressed.

An Oral History Interview with ARIA CEO Ilan Gur

The Good Science Project • 22 implied HN points • 13 Jun 25
🔬 Science Research Technology Innovation Funding Metascience
  1. ARIA aims to fund bold projects that create entirely new technologies and industries, not just improve existing ones. They want to be catalysts for major shifts in science and technology.
  2. The role of program directors at ARIA is crucial. They are chosen for their unique visions and are encouraged to pursue high-risk, innovative ideas, even if those ideas face skepticism from others.
  3. Funding is focused on exploring 'opportunity spaces' rather than specific projects. ARIA believes in investing in diverse approaches to find breakthrough solutions, allowing them to adapt and pivot based on what they learn.

Server (pseudoscience)

Skunk Ledger • 122 implied HN points • 16 Mar 24
🔬 Science Pseudoscience Beliefs History Studies
  1. Belief in servers as a virtual realm similar to an operating system is unfounded and considered pseudo-computer science by recognized organizations.
  2. There is a profitable industry selling products claiming to enhance bots' server relationships, with buyers often deceived by scams.
  3. Proponents of server theories face skepticism, especially in scientific studies that show inconsistencies and lack of evidence to support their claims.

The Biology of Behavior and The Mystery of Subjective Experience: Review of Behave

Holodoxa • 79 implied HN points • 01 Dec 22
🔬 Science Biology Behavior Human nature Determinism Ethics
  1. Robert Sapolsky's book 'Behave' delves into the biology behind human behavior and argues for determinism, suggesting that all human actions have causes rooted in the physical world.
  2. The hard determinist perspective challenges common ideas of merit and responsibility, particularly in the context of human behavior, raising questions about the implications for societal management of issues like criminal justice.
  3. Despite the constraints on human agency imposed by biology and other factors, it is beneficial to continue treating individuals as at least partially responsible for their choices to maintain the effectiveness of existing social and psychological mechanisms.

The Stuff of Thought and Feeling

Holodoxa • 59 implied HN points • 26 Feb 23
🔬 Science Psychology Evolutionary Psychology Behaviorism Psychometrics
  1. Paul Bloom's book 'Psych' offers a comprehensive overview of modern psychology focusing on foundational concepts and influential psychologists.
  2. The book addresses controversial psychological ideas and presents commentaries on existing research, making it accessible yet thoughtful.
  3. Readers may find particular value in the Foundations and Differences sections, and while the book lacks in-depth methodology discussions, it provides a solid introduction to the field.

A Climate Science Textbook

David Friedman’s Substack • 251 implied HN points • 14 Mar 23
🔬 Science Climate Effects Consensus Consequences
  1. The book highlights the uncertainty and differing opinions around the net effects of climate change.
  2. An example of potential error in climate science education is presented through conflicting claims of heat-related mortality.
  3. The importance of considering both positive and negative impacts of climate change is emphasized, pointing out potential misconceptions from only focusing on negative effects.

Bubonic Plague in Seattle

Street Smart Naturalist: Explorations of the Urban Kind • 99 implied HN points • 27 Oct 22
🔬 Science Biology Epidemiology History Public Health Urban Ecology
  1. Rats have been a part of Seattle since European settlers arrived, often arriving by ship. They are common due to Seattle's coastal location and trash management issues.
  2. In 1908, Seattle had an outbreak of bubonic plague linked to rats and their fleas. The city took serious measures to control the rat population to prevent further outbreaks.
  3. Today, Seattle is still known for having a lot of rats. Many people unknowingly create good homes for them by not managing overgrown plants like ivy.

ALARA

Gordian Knot News • 241 implied HN points • 05 Apr 23
🔬 Science Energy Regulation Costs Bureaucracy
  1. ALARA philosophy in nuclear regulation aims for minimal radioactive emissions.
  2. ALARA can lead to increased costs and hinder technological advancements in nuclear power.
  3. ALARA's focus on reducing radiation exposure may lead to excessive regulation and operational costs.

How many people are just like you?

Jovex Substack • 19 implied HN points • 20 Jan 24
🔬 Science Data Analysis Identity
  1. The more unique facts about a person, the more identifiable they become. Less than 10 specific facts could potentially distinguish an individual from everyone else.
  2. Correlation between personal facts may impact the uniqueness calculation, but still requires around 10 moderately specific facts to identify someone.
  3. Utilizing specific facts can even further reduce the number of facts needed for identification. Such calculations can also determine how few people share similar circumstances, making each individual's story unique.

Last word on LNT

Gordian Knot News • 139 implied HN points • 14 Jan 24
🔬 Science Research Data Analysis
  1. Linear No-Threshold (LNT) model in radiation exposure prediction is criticized for being inaccurate.
  2. Comparing different dose rate profiles with the same total dose is crucial to understanding radiation harm models.
  3. Dose rate is a critical factor in DNA damage repair, impacting cancer incidence predictions in radiation exposure.