AI maps the hidden forces shaping cancer survival worldwide
For the first time, scientists have applied machine learning, a form of artificial intelligence (AI), to identify the factors most closely linked to cancer survival in nearly every country across…
165,000 dementia patients reveal hidden stroke risk from common drug
A large UK study involving more than 165,000 people with dementia has found that the drug risperidone is linked to a higher risk of stroke in all groups of patients.…
Breakthrough optical processor lets AI compute at the speed of light
Modern artificial intelligence (AI) systems, from robotic surgery to high-frequency trading, rely on processing streams of raw data in real time. Extracting important features quickly is critical, but conventional digital…
Pushing the Boundaries of Arabic Language AI with Hybrid Architecture
Discover more in our official blogpost, featuring an interactive experience The journey of building world-class Arabic language models has been one of continuous learning and iteration. Today, we're excited to…
Speeding Up Variable-Length Training with Dynamic Context Parallelism and NVIDIA Megatron Core
This post introduces Dynamic Context Parallelism (Dynamic-CP), a scheduling approach in NVIDIA Megatron Core used for LLM post-training or DiT pre-training. It dynamically selects the CP size per microbatch to…
Andrej Karpathy Open-Sources ‘Autoresearch’: A 630-Line Python Tool Letting AI Agents Run Autonomous ML Experiments on Single GPUs
Andrej Karpathy released autoresearch, a minimalist Python tool designed to enable AI agents to autonomously conduct machine learning experiments. The project is a stripped-down version of the nanochat LLM training…
Stop Tuning Hyperparameters. Start Tuning Your Problem.
. You’re three weeks into a churn prediction model, hunched over a laptop, watching a Bayesian optimization sweep crawl through its 200th trial. The validation AUC ticks from 0.847 to…
these LLMs are willing to commit academic fraud
Credit: Smith Collection/Gado/GettyAll major large language models (LLMs) can be used to either commit academic fraud or facilitate junk science, a test of 13 models has found.Still, some LLMs performed…
Engineers just created a “phonon laser” that could shrink your next smartphone
Engineers have taken a major step toward producing the smallest earthquakes ever created, shrinking seismic-style vibrations down to the scale of a microchip. The breakthrough centers on a device called…
Brain scans reveal how ketamine quickly lifts severe depression
Major depressive disorder (MDD) is a major global health problem and one of the leading causes of disability. About 30% of people diagnosed with depression develop treatment-resistant depression (TRD), meaning…