That mad scientist who created HIV-resistant designer babies is, apparently, gearing up for more human gene-editing research. In an interview with the Wall Street Journal, He Jiankui said he wants to conduct human trials on his next big project — encoding genetics to prevent Alzheimer's disease, a heritable illness, in future generations. He identified South Africa, where the government declared in 2024 that it's open to the "significant potential" of genetic editing, as a good place for those trials to take place. Before that, He wants to send two Chinese colleagues to the US to conduct trials on mice and monkeys. […]