SPACE
Mapping the moon The Lunar Reconnaissance Orbiter is sending new maps of the moon back to Earth. Watch how it fires laser bursts to map out its terrain, while other sensors detect superhot areas as well as the coldest spots in the solar system near its south pole
MAPS
Road networks reveal the essence of a nation How much could you learn about the US if all you had to go on was a plan of its road network 鈥� no coastal outlines or mountain ranges allowed? See how a surprisingly detailed map can be built up from streets alone
BLOG
Sexing up climate change While some dismiss alarmist language as 鈥渃limate porn鈥�, there鈥檚 an argument that we need a really scary name for environmental woe
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EVOLUTION
Is molecular evolution a one-way street? The question of whether evolution can go backwards if selection pressures are reversed has been addressed in a study of protein evolution. Recent forms of a protein can鈥檛 be made to re-evolve old functions because selection has blocked off certain options
SPACE
Cracks on Mars hint at dried-up lakes Vanished lakes may have left behind networks of cracks on the floors of Martian impact craters. Take a tour through the Red Planet鈥檚 past revealed by our image gallery of the dry craters
AUGMENTED REALITY
Life through a lens Watch how you鈥檒l soon be able to learn about your surroundings with a phone app that adds tags to what its camera sees