LifeSea otters are bouncing back - and into the jaws of great white sharks Decades of conservation work have boosted sea otter populations in many parts of the North Pacific, but the animals are now being killed by great white sharks News
LifeWe contain microbes so deeply weird they alter the very tree of life Newly discovered life forms inside our bodies profoundly affect our health – and provide a glimpse of the vast and mysterious biological "dark matter" within us Features