There is only one absolute truth: DDT kills insects and is more or less (according to Dr Nash) toxic to other animals such as humans. The level of toxicity is in dispute, but reality is that it is either more or less toxic, not both.
There is only one absolute truth: DDT kills insects and is more or less (according to Dr Nash) toxic to other animals such as humans. The level of toxicity is in dispute, but reality is that it is either more or less toxic, not both.
There is only one absolute truth: DDT kills insects and is more or less (according to Dr Nash) toxic to other animals such as humans. The level of toxicity is in dispute, but reality is that it is either more or less toxic, not both.