With the unravelling of how fertilisation occurs in sea urchins, scientists may now better understand the reproduction process in higher mammals, including humans

THE JUNGLES of Vietnam hide a hitherto undescribed mammal. Basing their claim on remains such as skins, skulls and teeth recovered from local hunters, zoologists reckon an adult specimen of the

Scientists warn a rise in temperature will reduce the habitable area in North America's mountains and cause a reduction in the number of mammal species.

THE "arms race" between plants that produce defence mechanisms to ward of foragers such as deer and animals who attempt to evolve mechanisms to counter these defences, have long intrigued