EnvironmentDolphins unintentionally poisoning offspring with banned chemicals Toxins called PCBs were banned in the 1980s, but they persist in the environment where they collect and concentrate in dolphin blubber – and in dolphin milk News
LifeScuba-diving lizard can stay underwater for at least 16 minutes The water anole of Costa Rica dives underwater to escape from predators such as birds by blowing out and re-inhaling a large bubble of air News