Researchers surveyed the DNA of more than 200 cats spanning the last 9,000 years, including ancient Romanian cat remains, Egyptian cat mummies, and modern African wildcat specimens.

All tree leaves have an outer layer called the epidermis, which can also be used in the identification process. This leaf "skin" always has a waxy cover called the cuticle and varies in thickness.

The Committee on Applied and Theoretical Statistics (CATS) advises stakeholders in government, academia, industry, and nonprofit organizations on statistics and data science, and their many ...