Half of British people believe aliens exist
With a real person, aliens can be a fun story. However, nearly half of the British people claimed that aliens really existed.Investigating crimes through traces of perspiration
Russian criminal scientists have successfully investigated the method of identifying vapor traces for criminal investigation.Cars also have black boxes
KCI, an American technology company has just launched a device to store information about the state of cars to serve after an accident investigation, like a black box for aircraft.