• Our look at attempts to put a figure on potential sea level rise due to climate change (25 May, p 26) should have said there is less than a 1 in 20 chance that the melting of ice sheets will contribute more than 84 centimetres to sea level rise by 2100.
• Leap Motion’s box that can track ultra-fine hand and finger movements will cost $80, not $70 as we reported (25 May, p 40).
