Offline reinforcement learning (RL) faces a big problem: errors can pile up when deep Q functions try to work outside the data they were trained on. This hurts how well the policy can perform on new stuff. Existing methods are too cautious, which isn't great for generalization. But here's an interes
Imagine a tiny device that can help regulate your heartbeat without any wires or cables. That's exactly what leadless pacemakers are doing! Recently, there's been a buzz about these innovative devices that are specifically designed to help patients with heart rhythm issues. These devices, known as a
Ever heard of pacing-induced cardiomyopathy? It's a heart condition caused by irregular pacing, leading to poor heart function. Doctors found that upgrading to physiological pacing can quickly improve heart function and synchronize the heart's contractions. This change helps the heart's chambers wor
Public media like NPR and PBS are facing some serious heat. Donald Trump, soon to be president, has been openly criticizing US media, including calls to strip CBS of its broadcast license and refusing interviews with 60 Minutes. But it’s the Corporation for Public Broadcasting (CPB), which funds org
Scientists have long known that lack of sleep and exposure to oxidative factors, like pollution and certain foods, can have negative effects on your brain's performance. However, there isn't much evidence showing how sleep patterns and these oxidative factors work together, or individually, to incre
In the 2024 U. S. presidential election, billionaires like Elon Musk and Michael Bloomberg spent record amounts, highlighting the influence of wealthy donors. In Maine, a small state with a big idea, residents voted to limit super PAC donations to $5, 000 per individual or entity. This law went into
Ever heard of a fungus that can both harm and help plants? Well, meet Bipolaris sorokiniana! This fungus produces special chemicals called sesquiterpenoids, which have unique effects on plants. Scientists found these chemicals by using a clever method called molecular networking. They discovered nin
Did you know that essential oils can save mangoes from rotting? Scientists found that a tiny molecule called trans-2-hexenal, which is part of many plant oils, can stop a nasty fungus called Neofusicoccum parvum from making mangoes go bad. This fungus is a big problem for mango farmers, but this lit
Ever wondered why some women lose their babies before they're even born? One hidden factor could be oxidative stress. This happens when the body can't balance out harmful molecules called reactive oxygen species (ROS) and its natural defenses. Think of it like a tiny forest fire inside the body, cau
Ever wondered how well a test can measure the daily life skills of people using lower-limb prosthetics? Let's take a look at the Glittre Activities of Daily Living Test. This test is a big deal in the world of functional capacity assessments. It helps professionals understand how well a person can m
