A University of Bonn study revealed that just two days of oatmeal-based dieting significantly lowered bad cholesterol, persisting for weeks and altering gut bacteria. Meanwhile, rising carbon dioxide levels are linked to concerning increases in bicarbonate within human blood, suggesting potential health risks within 50 years if emissions aren't reduced. In tech news, Claude, an AI assistant, has become the number one app in the U.S. App Store, while Ubuntu 26.04 introduces a controversial change to sudo password displays. Finally, a republished critique of war by Major General Smedley Butler is gaining traction online.