Freshwater from melting Antarctic glaciers spills into the Southern Ocean. As the rate of melt increases, the additional freshwater being released is apparently causing less oxygen to be transported to the deep sea, with implications for the overall health of the...
Penguins in general are perfectly adapted to a life in the water. For the hunt for krill and small fish, the animals must be able to dive also for an extended period of time. To avoid getting into respiratory distress, their blood is better able to store oxygen and...