How a sperm manages to reach the fallopian tubes is clear at last, scientists say.
Image copyright Getty Images Water firms have been accused of exploiting their monopoly power and neglecting the environment. The critcism comes from Environment Secretary Michael Gove, who said some firms had paid no tax and hidden their earnings offshore. And he promised to back the regulator Ofwat in tightening up rules to protect bill-payers and […]
Media playback is unsupported on your device Media captionFootage said to be filmed on Sunday 14 January showed huge plumes of smoke Chinese ships are racing to clean up a giant oil spill after an Iranian tanker sank in the East China Sea. The 120 sq km (46 sq mile) oil slick is thought to […]
Image copyright NASA Image caption Tess will search for temporary drops in brightness caused by planetary transits The launch of Nasa’s Tess planet-hunter has been postponed and it will not now lift off until Wednesday at the earliest. The telescope was due to go up from Cape Canaveral in Florida at 18:32 local time on […]