The US trade deficit jumped by almost 33% in December, rising for the second month in a row to $70.3 billion. Trade deficits were volatile throughout 2025 as importers responded to President Trump's ...

Abstract: Nonsmooth phenomena, such as abrupt changes, impacts, and switching behaviors, frequently arise in real-world systems and present significant challenges for traditional optimal control ...

At the vanguard of Gen Z movements, protesters in Bangladesh ousted the prime minister in 2024. They now face the hard reality of winning change through elections. At a railway station in Dhaka, ...