Numberphile revived an ancient multiplication trick—halves and doubles—also called Egyptian or Russian math, where you repeatedly halve one number and double the other. After crossing out rows with ...

One afternoon, Lori Anderson and her 7-year-old, Lindsey, spotted a small maple tree in La Mirada, California. Anderson asked her daughter how many leaves she thought were on the tree. Lindsey’s guess ...

A Mumbai woman lost Rs 4 lakh in just three days after joining a Telegram group that promised stock trading tips and ...

We live in a beautiful time. Want Biryani? Tap. Electricity bill at 2 AM? Tap. Sending money to Chittagong? Just tap and hold ...

Every now and again life accidentally leaves a door unlocked. Only those who dare to enter are rewarded with great and ...

Free coffee for life. Money for nothing. Airline and hotel points for years. All-you-can-eat buffets without spending a cent.

The 2000s didn't just have movies, they had moods. Grainy handheld intensity one week, glossy blockbuster spectacle the next, ...

These days, large language models can handle increasingly complex tasks, writing complex code and engaging in sophisticated ...

A version of this puzzle originally appeared in the October 1960 issue of Scientific American. What’s the Most Distant Galaxy ...

In Pirates of the Caribbean, Jack and Will use an overturned dinghy to hold air underwater. Madness or brilliance?

From last year’s top performer to a subject-expert teacher and former HSC marker, here’s everything you need to know for Mathematics Standard and Advanced — and what to avoid. Former schoolteacher and ...