Part Of: Links sequence
Current Events
- Tiktok is eating leisure time. I wonder the extent to which this explains Netflix stock price.
- Does democracy create positive outcomes? Massive publication bias discovered in the literature.
- Only one-hundredth of 1% of missing children are abducted by strangers. The last comprehensive study estimated that the number was 142 a year. “I feel like American society still hasn’t recovered from the moral panic around stranger danger in the 1980s.”
- Chart-topping original movies have gone extinct. People have a lot of explanations for this, but they’re all incomplete because they don’t realize the same thing is happening everywhere. An oligopoly has conquered all of popular culture.
- Pegasus is everywhere.
- Godel’s Loophole: a design flaw in the US Constitution, which would permit the American democracy to be legally turned into a dictatorship.
- Labor market explanation of the Flynn effect. Contrast with the education revolution hypothesis.
Artificial Intelligence
- Gato, a scalable generalist agent that uses a single transformer with exactly the same weights to play Atari, follow text instructions, caption images, chat with people, control a real robot arm, and more.
- Imagen, Google’s answer to DALL-E. Also, DALL-E code is now open sourced. DALL-E Mini is available for use on this website. Finally, independent researchers can now load and use a 30B LLM in Colab.
- GoPro physics: where a camera can point at an event and an algorithm can identify the underlying physics equation.
- Incantations and prompt engineering. Simply adding “Let’s think step by step” increases the accuracy on MultiArith from 18% to 79% with GPT-3.
- GPT-3 vs the Turing Test.
- Homeostatic NNs adapt well to concept shift.
- Beyond message passing: towards continuous learning.
- Probabilistic interpretation of transformers. More here.
- Transformer feed-forward layers as key-value memories.
Health
- Against the lithium theory of obesity.
- Sex differences in temperature preferences. Women prefer 24C (75F), men prefer 21C (70F).
- Transfer addiction is surprisingly common in bariatric surgery patients. Supports the food addiction theory of some ~30% of the obese (YFAS).
- An extraordinary amount of surgery complication risk is explained by differences in skill among surgeons.
- Paxlovid and the mysteries of rebound COVID
- A new theory of SIDS has arrived. Some cold water.
- Light-activated mitochondria extend lifespan in C. elegans.
Cognitive Science
- Personality changes in response to leadership.
- What if the reason we dream is similar to the reason MLEs add noise to their models: to promote generalization?
- Lesions in the left precuneus are associated with distorted time perception. “Minutes felt like hours… each time he would check his watch he’d be surprised how little time had passed.”
- How to reverse general anesthesia? Electrical stimulation of anterior thalamus is sufficient to restore consciousness.
- More progress in categorization of facial expressions.
- Brains on artificial vs natural stimuli.
- How does literature evolve? One birth at a time. Contrary to belief that literature changes due to external events like 9/11, 54% of the style of literature is solely driven by when its popular authors were born. After their 20s, authors don’t change much.
Biology
- “If there is a God, why does he love crabs so much?” Carcinization in fish.
- Incomplete abscission as a bridge towards multicellularity.
- Is mutation random, or is natural selection more efficient? Evidence for the latter hypothesis.
Progress
- New mug shot just dropped! Second black hole ever recorded, this one at the center of our galaxy.
Misc
- Gorgeous optical illusions (one, two) and failures of folk physics (Dzhanibekov Effect)
- Salvage epistemology: on the dangers of contrarianism in the rationality community.
- The Backwards March of Christology is a theory of how Christian interpretations of Jesus evolved over time. In the earliest writings, many Christians seemed to view him as a human prophet elevated to divinity at his resurrection: “God fulfilled his promise by resurrecting Jesus, as also it is written in the second psalm, ‘You are my Son; today I have fathered you.” These views became more elaborate as the decades passed.
- Moving as the one parenting decision that really matters. The Opportunity Atlas is fun to use.
- Maximally accurate expert beliefs should not change in predictable ways, but rather be a random walk.