Lab Notes: Robots v flat-pack furniture - activate!

This week's biggest stories Health / Vaginal mesh surgery exposed women to 'unacceptable risks' Mystery solved / Secret of sea nomads' amazing ability to freedive uncovered Archaeology / Did neolithic man practise surgery on cows? Flat-pack heaven? / Robots master task of assembling Ikea chair Early solar system / Diamonds in Sudan meteorite 'are remnants of lost planet' Genetics / Scientists discover dozens of new genes for hair colour Psychology / A real-life Lord of the Flies: the troubling legacy of the Robbers Cave experiment Space / Nasa to launch Tess on hunt for 20,000 new worlds From the science blog network The Past and the Curious / Destruction at the ancient site of Mari in Syria Brain flapping / Forensic science: the tip of the iceberg? Political science / Smart cities need thick data, not big data Lost Worlds Revisited / Not one, but three Jurassic worlds, in new UK museum exhibition Eye on science 'It's going to happen' / Is the world ready for war in space? The next theatre of conflict is likely to be in Earth's orbit – and may have dire consequences for us all Where to find us Twitter: @guardianscience | @guardiansciblog Facebook: Guardian Science Guardian News & Media Limited - a member of Guardian Media Group PLC. Registered Office: Kings Place, 90 York Way, London, N1 9GU. Registered in England No. 908396