Elephant DNA: The secret to cancer suppression? DNA mutations happen all the time in the body, but the immune system usually detects and deals with them. When the system fails, cancer results. Yet some animals, such as elephants, almost never get cancer, and scientists have learned that the elephant DNA repair system is 20 times more powerful than the human system. Experts explain how they hope to tap this knowledge.
Intergenerational Living: Some retirement homes are offering local college students room and board in return for interaction with elderly residents. Students and experts involved discuss how it’s a win/win for everyone.