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The trouble brewing on trade between Japan and the United States looks as if it may turn nasty. Both sides are to blame, but the rest of us will be hurt if the worst happens.
A computer simulation of the annihilation of particles and antiparticles on a lattice suggests that segregation happens only exceptionally. Cosmologists will be dismayed, but others may be uplifted.
Extrapolation from short-term data is risky, but the development of AIDS among those infected with HIV by blood transfusions, if properly described by a normal distribution, suggests a 15-year mean incubation and a high incidence of disease among carriers of the virus.
Oil revenues have bought Saudi Arabia many of the tools of science and technology. The challenge now is to build up a national science community that can apply them.
