Saharan 'carpet of tools' is earliest known man-made landscape

 A new intensive survey of the Messak Settafet escarpment, a massive outcrop of sandstone in the middle of the Saharan desert, has shown that stone tools occur "ubiquitously" across the entire landscape - averaging 75 million artefacts per square kilometre.

New technology can create mugshots using only DNA

Scientists have developed a new technology that can map accurate facial structures using racial, gender, and genetic markers using DNA.