Nature.com

Engineers hope salt-water technique could make coal-fired power plants a cleaner energy option.

An exhaustive calculation of proton and neutron masses vindicates the Standard Model.

Not yet, but biotechnology company is on track for 2013.

First evidence that earliest fossils could be attributed to protozoans.

Mice eating high-fat foods confer changes on at least two subsequent generations.

Blood-group-factor family has a role in pH control.

Role of fission in fighting climate change looks likely to wane.

Search engines provide information about epidemics.

Experts caution against use of tests for adult-onset disorders.

You might think that once evolution has found one way to get something done, it will stick with it. But similar physical forms can hide radically different wiring, finds Tanguy Chouard.

Finding from balloon experiment adds to satellite data.

Celebrating the man and the book.

The idea that natural selection acts on groups, as well as individuals, is a source of unending debate. Marek Kohn reports on what the two sides disagree about #20; and why it matters to them.