The Canadian city of Chatham freed itself from the grip of thousands of crows by importing the crow's natural enemies. The arrival of two giant pandas at the National Zoo has renewed attention on panda survival worldwide . Cross-Species Transplants Scientists continue to debate using animal organs in humans. The tearing down of dams across the country has provided salmon with a new lease on life. A new study shows that Beethoven suffered from lead poisoning, which now also affects wildlife.
Scientists call for better tracking of near-Earth objects.
The Biosphere 2 project is currently conducting research that examines the effects of increased levels of CO 2 . There have been recent strides in understanding the problems and anatomy of the learning disability known as dyslexia. Preparing for the Flu People of all ages can benefit from flu shots. The elephants' changing habitats are making their survival more difficult. The Monarch Migration Urban sprawl affects the monarch butterfly's winter habitats.