Media
The Download: the North Pole's future and humanoid data
Plus: Google, Microsoft, Amazon and Meta have all set AI spending records. In the past, getting to the North Pole involved a treacherous trip through ice many meters thick. But last year, a research vessel encountered open water and thin ice, which created an easy passage. It provided a reminder of how quickly the Arctic is changing. Now scientists are digging deep below the seabed to find out if the Arctic Ocean was ever ice-free--and what that could mean for the future of Earth's northernmost waters. Here's what they hope to discover .
Meta in row after sacking workers who say they saw smart glasses users having sex
Meta is under pressure to explain why it cancelled a major contract with a company it was using to train AI, shortly after some of its Kenya-based workers alleged they had to view graphic content captured by Meta smart glasses. In February, workers at the company, Sama, told two Swedish newspapers they had witnessed glasses users going to the toilet and having sex . Less than two months later, Meta ended its contract with Sama, which Sama said would result in 1,108 workers being made redundant. Meta says it's because Sama did not meet its standards, a criticism Sama rejects. A Kenyan workers' organisation alleges Meta's decision was caused by the staff speaking out.
ADataset for Analyzing Streaming Media Performance over HTTP/3 Browsers
HTTP/3 is a new application layer protocol supported by most browsers. It uses QUIC as an underlying transport protocol. QUIC provides multiple benefits, like faster connection establishment, reduced latency, and improved connection migration. Hence, popular browsers like Chrome/Chromium, Microsoft Edge, Apple Safari, and Mozilla Firefox have started supporting it. This paper presents an HTTP/3-supported browser dataset collection tool named H3B.
ChatGPT trounces humans in entrance exams for top Japan university, study finds
AI models surpassed the highest score recorded for a human test taker in this year's University of Tokyo entrance exam, a new study shows. If an artificial intelligence model such as ChatGPT had taken the entrance exams for Japan's top university in 2026, it would have been assessed as top of the class and admitted for scoring higher than any human test takers, a study by AI startup LifePrompt has found. The research used three major AI models -- ChatGPT 5.2 Thinking by OpenAI, Gemini 3 Pro Preview by Google and Claude Opus 4.5 by Anthropic -- and had them take the actual entrance exam used by the University of Tokyo in February 2026 to assess candidates for courses set to start in April. The university's category 3 science exam, often taken by those who want to enter the institution's medical school, is considered the most difficult exam to pass in Japan. In a time of both misinformation and too much information, quality journalism is more crucial than ever.
The split between China and Silicon Valley just got wider
Beijing's insistence that Meta unwind its deal with a Chinese A.I. start-up marks an escalation in the geopolitical fight over advanced tech. TAIPEI - Manus, an artificial intelligence startup, began with an idea among three engineers in Wuhan, China, united by an obsession with AI and a shared ambition to build a global venture. From the outset, they looked beyond China. Their big break came in March last year. Manus had drawn the attention of Silicon Valley investors with an AI agent capable of carrying out tasks on its own.
Constructing Non-isotropic Gaussian Diffusion Model Using Isotropic Gaussian Diffusion Model for Image Editing
Score-based diffusion models (SBDMs) have achieved state-of-the-art results in image generation. In this paper, we propose a Non-isotropic Gaussian Diffusion Model (NGDM) for image editing, which requires editing the source image while preserving the image regions irrelevant to the editing task. We construct NGDM by adding independent Gaussian noises with different variances to different image pixels.
NAVI: Category-Agnostic Image Collections with High-Quality 3DShape and Pose Annotations
Recent advances in neural reconstruction enable high-quality 3D object reconstruction from casually captured image collections. Current techniques mostly analyze their progress on relatively simple image collections where Structurefrom-Motion (SfM) techniques can provide ground-truth (GT) camera poses. We note that SfM techniques tend to fail on in-the-wild image collections such as image search results with varying backgrounds and illuminations. To enable systematic research progress on 3D reconstruction from casual image captures, we propose'NAVI': a new dataset of category-agnostic image collections of objects with high-quality 3D scans along with per-image 2D-3D alignments providing near-perfect GT camera parameters. These 2D-3D alignments allow us to extract accurate derivative annotations such as dense pixel correspondences, depth and segmentation maps. We demonstrate the use of NAVI image collections on different problem settings and show that NAVI enables more thorough evaluations that were not possible with existing datasets. We believe NAVI is beneficial for systematic research progress on 3D reconstruction and correspondence estimation.