These are my links for March 17th 2013 from 12:26 to 23:15:

• Gold seams form in an earthquake-powered flash – environment – 17 March 2013 – New Scientist – "Earthquakes can open cracks in the deep rocks at the speed of sound" – and that makes seams of gold >
• Deepest point in the ocean is teeming with life – life – 17 March 2013 – New Scientist – Life at the bottom of the ocean. The very bottom of the ocean >
• Alex Clark’s best young British novelists | Books | The Observer – Congratulations to @courttianewland on his place on Alex Clark's best young novelists list for @guardian!