Blog
Does Better Embedding Quality Actually Improve Bayesian Optimization with LLMs?
2026-04-22
A systematic investigation into BOPRO for molecular optimization
AI Therapy: What the First RCT of a Generative‑AI Therapist Really Tells Us
2025-05-04
Therabot’s NEJM AI RCT shows that an open‑weight LLM, fine‑tuned on rigorously curated therapy transcripts and guarded by strict safety layers, yields a moderate (~d 0.6) short‑term improvement over wait‑list controls—impressive for generative‑AI healthcare, but likely an upper‑bound effect size given design inflation.
How to train your Llama – and ChatGPT-3.5 – for a retrieval augmented generation (RAG) task.
2023-09-12
How to fine-tune Llama-2 and ChatGPT-3.5 for a retrieval augmented generation (RAG) task
Causal Discovery
2020-09-01
Causal discovery is the process of inferring the causal structure of a closed system using observational data.
This post outlines how causal discovery is possible using time series data, and explores some novel techniques developed by Runge and colleagues in a series of papers in Nature Communications, and Science Advances. The team has also created a software package, Tigramite, that implements these methods.
Collective Intelligence
2017-06-12
Our new publication on the wisdom of crowds has come out in Proceedings of the National Academy of Sciences here.
Engineering Behavior Change Through Social Media
2015-06-10
Our research on a social media intervention to increase health in a fitness program was presented in Helskini, Finland during the IC2S2 conference.