FBI headquarters in Washington DC
Shutterstock/Bob Korn
The US Federal Bureau of Investigation (FBI) plans to buy radar technology that can detect people on the other side of walls, whether they are moving around, standing still or even lying down.
The idea of using radar – a system that uses radio waves reflecting off objects to determine their location – in this way has been around for at least 20 to 30 years, says Hugh Griffiths at University College London. But he describes the field tests with this new system as “impressive” in demonstrating how “they’ve solved a lot of the…
Physicists are uncovering when nature’s strongest force falters
The STAR detector at the Relativistic Heavy Ion ColliderBROOKHAVEN NATIONAL LABORATORY We are getting closer to understanding when the strong...
There are five types of sleep – here’s what that means for your health
Sleep can be experienced very differently from one person to the nextPeopleImages/Shutterstock Different people may experience one of five types...
Your happiness in life may not be U-shaped – here’s how it could vary
Our happiness levels are not constant throughout our livesIppei & Janine Photography/Getty Images The commonly held belief that happiness follows...
Jane Goodall, dogged advocate for the natural world, has died aged 91
Jane Goodall studying the behaviour of a chimpanzee during her research in TanzaniaPenelope Breese/Liaison Renowned conservationist Jane Goodall has died...
