主播大秀

How the British outbreak of foot-and-mouth disease has spread to Europe and why farmers are so worried, when in other parts of the world it is common. Last week's Seattle earthquake could have been a lot worse, say geologists. A fossil fish from China might rewrite human evolution. A peptide protein found in the rat epididymis that could lead to male contraceptive pill could also act against some sexually transmitted diseases. Translating protein molecular structures into music.