HealthStoring sperm in a freezer for a decade hardly affects birth rates Many countries impose time limits on storing frozen sperm, but a sperm bank study has found this may not be necessary as it has little effect on birth rates News
EarthThe mysterious diseases killing starfish, sea fans and shellfish Ocean Outbreak unveils the little-known diseases wreaking havoc in the seas and the book does a first-rate job of inspiring readers at the same time Culture