Extra-salty sea
Increasing saltiness in parts of the Atlantic Ocean is down to us. Salinity is known to have risen in areas of the Atlantic in recent decades. Now a team led by Peter Stott at the UK’s Hadley Centre for Climate Change has used climate models to show that anthropogenic warming is to blame, through increased evaporation and a decrease in rainfall. The study will appear in Geophysical Research Letters.
Double belt
The nearest known planetary system sports two asteroid belts, one of which could obscure a rocky planet. Dana Backman of the SETI Institute in Mountain View,…
