Friedrich Miescher In 1869 Miescher isolated nucleic acids from the nuclei of white blood cells. He did not immediately follow the discovery up, and Albrecht Kossel later made enquiries into their chemical structure.
What autism spectrum disorder was first identified in 1944 due to a study of children who lacked nonverbal communication skills, demonstrated limited empathy with their peers, and were physically clumsy?
Archimedes is the first person recorded to have designed and built an elevator, in about 236 BC. Who is credited with introducing the safety elevator, which did not fall if the cable broke?
