For years, a French mathematician searched for a proof that a gigantic number is prime. His method is still used 150 years ...

A new collection of research papers examines how humans conceptualize numbers and the numeral systems we’ve build around them ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I ...

William Buick rode his 100th winner of the season in Britain, fittingly at the track where he has enjoyed the most success in 2025. The milestone came in the 1m2f maiden, with Buick steering 1-7 ...

If you use Excel 40 hours a week (and those are the weeks you are on vacation), welcome to the MrExcel channel. Home to 2,400 free Excel tutorials. Bill "MrExcel" Jelen is the author of 67 books about ...

Can you chip in? This year we’ve reached an extraordinary milestone: 1 trillion web pages preserved on the Wayback Machine. This makes us the largest public repository of internet history ever ...

India is home to more than 60 per cent of the world's remaining Asian elephants, but their habitats continue to shrink due to encroachment, infrastructure projects and human-elephant conflict.

NEW DELHI: India's wild elephant population has been estimated at 22,446, lower than the 2017 figure of 27,312, according to the country's first-ever DNA-based count. The All-India Synchronous ...