HealthModified BCG vaccine could prevent TB in cattle and help end culls A modified version of the BCG vaccine against tuberculosis could allow cattle around the world to be vaccinated against the disease ¿ìè¶ÌÊÓÆµ
HealthControversial DNA screening technique used for at least one pregnancy A company says at least one woman is pregnant after using a controversial DNA screening technique to analyse thousands of DNA variants in developing embryos ¿ìè¶ÌÊÓÆµ