Browsing: led

The draconian mass incarceration policy of El Salvador’s president, Nayib Bukele, may have led to crimes against humanity, according to a new study by legal experts.By…

In 1970, as an 18-year-old college freshman in Boston, living away from home for the first time, I started to smoke cigarettes. A pack a day…

The Four Heavens: A New History of the Ancient Maya David Stuart Princeton Univ. Press (2026)Before the 1970s, ancient Maya history was impenetrable. The civilization’s grand…

February 19, 20262 min read Add Us On GoogleAdd SciAmNASA says a litany of failures led to 2024 Boeing Starliner astronaut strandingOn Thursday NASA leadership outlined…

US inflation moderated in January to 2.4%, an easing after Donald Trump’s tariffs triggered price fluctuations last year.Prices rose 0.2% from December to January, according to…

“A vote for Trump means your groceries will be cheaper,” Donald Trump promised Americans on the eve of the presidential election. During the US president’s first…

When Kemi Badenoch met Mike Johnson, the Republican speaker of the House of Representatives, on Monday evening, she pressed him on two issues: the Chagos Islands…

Ask the women working at Natchi Apparels in the historic city of Dindigul in Tamil Nadu and many will describe the turnaround in their working conditions…

RESEARCH BRIEFINGS 31 December 2025 Stacking light-generating layers in ‘tandem’ light-emitting diodes (LEDs) can enhance performance, but achieving efficient and stable tandem LEDs made with perovskite…

The warmest and sunniest spring on record this year led to an increase in the breeding of some of Britain’s best-loved songbirds, data has shown.Scientists said…