Janet: Consider yourself lucky. At least you didn't buy a "dirty" TV or air conditioner. John: I didn't think trying to save money would wind up costing so much. Janet: "Dirty" appliances sometimes explode in people's houses. John: I can't believe these businessmen are cold hearted enough to sell these kinds of products. Janet: I've even heard of companies that sell fake baby formula. John: There's even "dirty" soy sauce made out of hair and cockroach eggs. Janet: At least this bag I bought in Shenzhen isn't so bad.
Some of the great hopes for cloning include the ability to perform transplants, whenever they are needed, using cloned organs. For example, people with lung cancer may simply have their lungs replaced with healthy ones. Scientists also look forward to the day when people in wheelchairs can walk again, and illnesses such as Alzheimer's and Parkinson's Disease can be prevented.
