Gas bill added up Economists have calculated the cheapest way out of the climate dilemma. If you test enough random proteins, you'll find one to do what you want. Bowel bacteria in the genes Genes control which germs live in our gut. A human parasite may be a legacy of our distant ancestors' taste for antelope. A new liquid-jet scalpel is a cut above.
Soft stuff rises to stiff challenge A smattering of soft blobs can stiffen a stiff material.
Ploughmen flushed with success Farmers can reduce water pollution by ploughing less. A future space mission could put general relativity to the test. Smoking gun found for fake cigars Canada's chemists can now spot a counterfeit cigar.