The iPhone’s new software screens your calls using machine intelligence. Neat, but Google had the feature first—just like so ...

Personal identification numbers (PINs) are vital for protecting our online banking accounts, devices, and sensitive information. And while it may seem like it is simple to make a four-digit PIN, you ...

India's phone numbers begin with +91 due to the International Telecommunication Union's system of dividing the world into ...

If you have paid attention, you must have noticed that +91 is prefixed to the Indian mobile number. If you want to talk to someone abroad or fill out any form, you have to prefix this code to the ...

Israel was able to track the movements of key Iranian figures and assassinate them during the 12-day war this spring by following the cellphones carried by members of their security forces. By Farnaz ...

An inherent principle of publication is that others should be able to replicate and build upon the authors' published claims. A condition of publication in a Nature Portfolio journal is that authors ...