A centuries-old map is returned to Mexico after it was recovered in Santa Fe

The FBI has handed over a centuries-old map to Mexican officials after it was discovered by a librarian in New Mexico ...

Rats and humans both rely on a neural 'pedometer' to judge distance

Humans use lots of different types of information to make sure we don't get lost. We can look out for familiar landmarks and ...

A Simple Test Strip That Reveals the Invisible Nanoplastic Threat

Researchers at the University of Stuttgart have created an “optical sieve” capable of detecting minute nanoplastic particles. Functioning much like a test strip, this innovation is designed to provide ...
Quanta Magazine

A Simple Way To Measure Knots Has Come Unraveled

Two mathematicians have proved that a straightforward question — how hard is it to untie a knot? — has a complicated answer.

Google Maps travel time accuracy: How exactly does it know the distance and time of your trip

Google Maps estimates travel time using a blend of technology and data. It calculates distance, considers speed limits, and ...