Heartbeat

A newly published review indicates that reducing protein intake could be better for health in some cases, challenging the common assumption that more protein is always beneficial. The findings are drawing attention among readers interested in nutrition and heart health, with commentators weighing how the results might affect popular high-protein diets and everyday dietary advice.

Vertex Japan, a venture capital firm backed by Singapore state investor Temasek, has invested in Heartbeats, a startup that operates in the digital trading cards space. The deal was reported exclusively by the Wall Street Journal. Further details on the funding amount and valuation have not been disclosed.

A developer team is promoting OpenAmer ASI Core, an open-source AI agent architecture that it says avoids the common pattern of gluing components together with subprocess calls and multiple schedulers. The project offers five native tools and a ten-subsystem heartbeat mechanism, targeting developers working on agent and AI systems.

Nearly 333 pounds of tuna sold under the Buckhead brand is being recalled across five states after testing found elevated levels of scombrotoxin, a compound that can cause scombroid food poisoning with symptoms like flushing, headache and rapid heartbeat. The recall covers a small quantity of product, and consumers are advised to check their purchases and discard affected tuna.

A University of Toledo expert has joined an international group of clinicians calling for a new approach to diagnosing and managing POTS, postural orthostatic tachycardia syndrome. The condition, which causes rapid heartbeat, dizziness and fatigue on standing, is widely considered underdiagnosed and poorly managed. The appeal urges updated diagnostic criteria and more consistent care standards worldwide.

A Monaco-based startup is developing biometric authentication technology that verifies identity using a person's unique heartbeat signature. The approach, reported by Biometric Update, adds to growing interest in cardiac-signal biometrics as an alternative to fingerprints and facial recognition. The company says the method could offer continuous, contactless identity verification for devices and secure access systems.

A father went to the emergency room after his smartwatch alerted him to an irregular heartbeat consistent with atrial fibrillation, and doctors went on to identify a heart condition requiring surgery. The case is being reported as another example of a consumer wearable flagging a serious cardiac problem early, prompting discussion about how often these alerts lead to real diagnoses.

An educational piece explaining what produces the sound of a heartbeat is circulating online, explaining that the familiar 'lub-dub' comes from heart valves closing as blood is pumped. It is being shared under the label of medicine and science education, drawing modest attention from readers interested in how the body works.

An educational medical item explains how an inflatable balloon, typically placed in the aorta, helps a weakened heart pump blood more effectively. The balloon inflates and deflates in rhythm with the heartbeat, easing the heart's workload and improving blood flow to the body. Interest focuses on how this support therapy works for patients with heart failure.

BMW is investing £1.7 billion in the next-generation 3 Series, underlining the model's central role in the German carmaker's shift toward hybrid technology. The announcement, flagged in automotive news circles, positions the 3 Series as a bridge between BMW's combustion heritage and its electrified future. Details on timing and production sites remain limited in the coverage circulating so far.