https://phys.org/news/2018-07-artificial-intelligence-outperforms-repetitive-animal.html > As part of this effort, we have now developed a computer method of testing chemicals that could save more than a US$1 billion annually and more than 2 million animals. Especially in times where the government is rolling back regulations on the chemical industry, new methods to identify dangerous substances are critical for human and environmental health. > How the computer took over from the lab rat