Single-atom-thick sheets efficiently extract electricity from salt water: An impressive energy density generated by differences in salt concentrations.
Source: arstechnica.com
Good read. Animal Liberation by Peter Singer. A powerful book on animal rights written 40 years ago (updated 20 years ago and re-issued recently with an introduction by Yuval Hariri) and having stood the test of time and debate. It is called 'the bible' of the animal rights movement and rightly so ......
Source: amazon.co.uk
The Lancet: UN report shows that despite substantial progress, the world fell short of the maternal mortality target in the Millennium Development Goals: New research published today in The Lancet shows that, despite reducing maternal mortality by an impressive 44 percent between 1990 and 2015, the world...
Source: eurekalert.org