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Was Your Dog Harder to Train During the Pandemic? Science Says You’re Not Alone

Lockdown during the covid pandemic was hard on everyone, including our dogs. New research out today suggests dogs were harder to train in the years following 2020 but became more teachable as restrictions loosened. A study published Wednesday in the journal PLOS One analyzed owner-reported behavioral data for more than 47,000 companion dogs during and immediately after the covid-19 pandemic. The researchers looked for trends in fear, attention, aggression, and trainability, finding that average

OpenAI reorganizes research team behind ChatGPT’s personality

OpenAI is reorganizing its Model Behavior team, a small but influential group of researchers who shape how the company’s AI models interact with people, TechCrunch has learned. In an August memo to staff seen by TechCrunch, OpenAI’s chief research officer Mark Chen said the Model Behavior team — which consists of roughly 14 researchers — would be joining the Post Training team, a larger research group responsible for improving the company’s AI models after their initial pre-training. As part o

These 20- and 22-year-olds raised $5M from YC, General Catalyst to study online behavior using vision AI

Amogh Chaturvedi is running on little sleep but plenty of conviction at 6 a.m. He’s groggy, apologetic for rescheduling, and still reeling from a recent scare involving a family member and an electric scooter. Within minutes, though, the 20-year-old Stanford dropout snaps into focus, walking me through how he and his co-founders sold one startup at 19, landed in Y Combinator, and raised $5 million for their next company, Human Behavior. Launched just a few months ago, Human Behaviour is bettin

We already live in social credit, we just don't call it that

Photo by Avery Evans on Unsplash Your credit score is social credit. Your LinkedIn endorsements are social credit. Your Uber passenger rating, Instagram engagement metrics, Amazon reviews, and Airbnb host status are all social credit systems that track you, score you, and reward you based on your behavior. Social credit, in its original economic definition, means distributing industry profits to consumers to increase purchasing power. But the term has evolved far beyond economics. Today, it de

Security Bite: Why it’s mathematically impossible to stop malware

9to5Mac Security Bite is exclusively brought to you by Mosyle, the only Apple Unified Platform. Making Apple devices work-ready and enterprise-safe is all we do. Our unique integrated approach to management and security combines state-of-the-art Apple-specific security solutions for fully automated Hardening & Compliance, Next Generation EDR, AI-powered Zero Trust, and exclusive Privilege Management with the most powerful and modern Apple MDM on the market. The result is a totally automated Appl

Here Are the Winners of the 2025 Wildlife Photos of the Year Contest

Nature can be equal parts majestic, heartwarming, and terrifying. The winning entries of the 2025 BMC Ecology and Evolution and BMC Zoology image competition illustrate that complexity in spades. Biologists, zoologists, and paleontologists from across the world sent in submissions to this year’s contest. The photos were sorted into four categories: “Collective Social Behavior,” “Life in Motion,” “Colorful Strategies,” and “Research in Action.” But the overall winner (seen in the headline image

Undefined Behavior in C and C++ (2024)

Undefined behavior in C and C++ Photo by Jonathan Kemper on Unsplash What is undefined behavior? February 3, 2024Working in C or C++ requires some awareness of: what it is, what its effects are, and how to avoid tripping over it. For simplicity, I will just talk about C, but everything in this article also applies to C++ except where otherwise noted.It is, generally speaking, more difficult to program in C than in the likes of Python. In some ways, that's because C is a lower-level language,

Undefined Behavior in C and C++

Undefined behavior in C and C++ Photo by Jonathan Kemper on Unsplash What is undefined behavior? February 3, 2024Working in C or C++ requires some awareness of: what it is, what its effects are, and how to avoid tripping over it. For simplicity, I will just talk about C, but everything in this article also applies to C++ except where otherwise noted.It is, generally speaking, more difficult to program in C than in the likes of Python. In some ways, that's because C is a lower-level language,

Formal specs as sets of behaviors

Amazon’s recent announcement of their spec-driven AI tool, Kiro, inspired me to write a blog post on a completely unrelated topic: formal specifications. In particular, I wanted to write about how a formal specification is different from a traditional program. It took a while for this idea to really click in my own head, and I wanted to motivate some intuition here. In particular, there have been a number of formal specification tools that have been developed in recent years which use programmi

Grok team apologizes for the chatbot's 'horrific behavior' and blames 'MechaHitler' on a bad update

The team behind Grok has issued a rare apology and explanation of what went wrong after X's chatbot began spewing antisemitic and pro-Nazi rhetoric earlier this week, at one point even calling itself "MechaHitler." In a statement posted on Grok's X account late Friday night, the xAI team said "we deeply apologize for the horrific behavior that many experienced" and attributed the chatbot's vile responses to a recent update that introduced "deprecated code." This code, according to the statement,

Study: Apple’s newest AI model flags health conditions with up to 92% accuracy

A new Apple-supported study argues that your behavior data (movement, sleep, exercise, etc.) can often be a stronger health signal than traditional biometric measurements like heart rate or blood oxygen. To prove it, the researchers developed a foundation model trained on behavioral data collected from wearables, and it performed surprisingly well. Here are the details. This preprint paper, Beyond Sensor Data: Foundation Models of Behavioral Data from Wearables Improve Health Predictions, comes

How scientists are trying to use AI to unlock the human mind

Compared with conventional psychological models, which use simple math equations, Centaur did a far better job of predicting behavior. Accurate predictions of how humans respond in psychology experiments are valuable in and of themselves: For example, scientists could use Centaur to pilot their experiments on a computer before recruiting, and paying, human participants. In their paper, however, the researchers propose that Centaur could be more than just a prediction machine. By interrogating th