Number

Privacy takes a leap: The end of the phone number on WhatsApp?

Meta plans a major WhatsApp update letting users sign in with a username instead of a phone number for the first time, similar to Telegram’s long-standing model.

|ByDR. ITAY GAL
WhatsApp.
Oxford scientists discover math proficiency technique. Illustration.

Struggling with numbers? Oxford scientists discover brain-boosting technique

Low-performing students improved arithmetic scores by up to 29% with mild electrical brain stimulation.

|ByJERUSALEM POST STAFF
Think it’s going to be cool? 2025 is a perfect square.

Happy 1³ + 2³ ...+ 9³, all! Think it’s going to be cool? 2025 is a perfect square

For most of us, 2025 is going to be the only perfect square year in our lifetime.

|ByJERUSALEM POST STAFF