Rockwell Collins has unveiled its enhanced Patrol Persistent Surveillance System (PPSS) system for enhanced situational awareness and the constant monitoring of threats against military bases, forward observation posts and other secure facilities. It offers an integerated system that combines sound, vibration and imaging sensors along with sensor data from the …

A new study led by the University of Washington and the United Nations finds that world population is likely to keep growing throughout the 21st century, reaching 11 billion by 2100, about 2 billion higher than widely cited previous estimates. The growth shall be led by Africa, which is forecasted …