Sometimes it pays a bird to look beyond her own species for a mate. Ploughmen flushed with success Farmers can reduce water pollution by ploughing less. Lilliputian A pared-down genome shows us how simple life can be. A lighter shade of egg Laying a pale final egg in a clutch might warn off potential freeloaders. MAY 2001 Mountains spawned monsoon Asia's diverse weather may once have been as even as its terrain was.
Weight gain causes weight loss Artificial ballast fools mice into eating less and slimming down.
Genes control which germs live in our gut. Long waits will always try patients Hospital waiting lists have an irreducible proportion of long delays. 12 JAN 2001 Science is all about networking Patterns of scientific collaboration shed light on the structure of society. A quantum computer can solve problems even without being switched on. A new scheme gives quantum-sealed secret messages a longer range.