Here are four clear bullet points summarizing the news article: • US President Donald Trump mistakenly referred to Iran as the "Islamic Republic of Japan" during a press interaction at the NATO summit. • Trump was discussing the conflict in West Asia and defending recent US military strikes on Iran, declaring that the interim ceasefire with Tehran was effectively over. • The verbal slip came when Trump described an Iranian missile attack on a US aircraft carrier, saying 111 missiles were shot by the "Islamic Republic of Japan". • Critics highlighted the mistake on social media, with some users calling for the invocation of the 25th Amendment to declare Trump unable to discharge his presidential duties.

Here are four clear bullet points summarizing the news article: • The pronunciation of the "happy vowel" (the final vowel in words like "happy", "baby", and "chilly") varies clearly by social class across Manchester, with middle classes saying "happee" and working-class people saying "happ-eh". • Researchers at Lancaster University and the University of Manchester found that this variation is not just a matter of individual accent, but rather a reflection of broader social class differences in the city. • The study suggests that while some features of Manchester's accent have remained stable over time, there are still significant variations across different social classes and ethnicities, with working-class south Asians more likely to say "happ-ee" and black and white Mancunians saying "happ-eh". • The research highlights the importance of understanding language variation and its relationship to social class, arguing that even small changes in accent can be indicative of movement between social classes and highlighting the complexities of language acquisition and change.

Here are four clear bullet points summarizing the article: • Hong Kong's ability to navigate between two knowledge systems has developed over centuries. • AI can fabricate synthetic authority, creating fake citations that blend seamlessly into academic writing. • Monolingual users may struggle to detect biases and inconsistencies in fabricated information. • Bilingualism allows for cross-examination of information across both language webs, enabling verification and detection of fabricated sources.

Here are four clear bullet points summarizing the article: • Brian Sietsema is a linguist and Greek Orthodox priest who helps spellers at the Scripps National Spelling Bee confirm pronunciations and answer questions about word roots. • As a child, Sietsema was puzzled by the word "akimbo" in Edgar Allan Poe's story "One Hans Pfaall", which sparked his curiosity about etymology and led him to become fascinated with words and language. • After studying engineering at the University of Michigan, Sietsema switched to study religion and later linguistics, eventually earning a PhD from MIT under the guidance of Morris Halle, a leading expert in generative grammar. • Sietsema's research focused on predicting tone patterns in languages using metrical units similar to musical measures, which has implications for creating natural-sounding machine-generated speech.

Here are four clear bullet points summarizing the article: • A new study found that bilingual speakers use a single "grammatical engine" in the brain to process multiple languages simultaneously. • Researchers discovered that bilingual people exhibit similar brain activity when deciding whether to make a word singular or plural, regardless of which language they're speaking. • This integration was unexpected, as early research viewed bilingualism as an "add on" or "disruption" to native language processing. • The study suggests that bilingual brains are more integrated than previously thought, with physical differences and improved memory/concentration abilities.

Here are four clear bullet points summarizing the article: • Chinese firms now often hire local translators instead of bringing their own from China to accommodate smaller company expansions and increased trade with African firms. • Few Chinese executives and workers arriving in Africa each year speak the languages of their host countries, including official languages like English or French, and indigenous languages. • There is a growing demand for Mandarin language skills across various sectors, including real estate, mining, hospitality, healthcare, and manufacturing, according to LinkedIn job posts. • The increasing need for Chinese language skills is driven by Africa's expanding footprint of smaller Chinese companies and the continent's growing role in global trade.

Here are the four bullet points summarizing the news article: • Duolingo is offering advanced language learning content for free across nine languages, including English, Spanish, French, and more, on web, iOS, and Android devices. • The advanced content is at the B2 level of the Common European Framework of Reference for Languages (CEFR), featuring features like "Advanced Stories" and DuoRadio for reading and listening comprehension. • Duolingo's decision to offer free advanced learning positions it as the only free app to offer advanced-level learning across these nine languages, differentiating itself from competitors like Babbel and Busuu that require paid subscriptions. • The move is aimed at increasing Duolingo's free user base, which has grown 30% year-over-year to 52.7 million daily active users, with the goal of improving employability in an increasingly global workforce.