Reading time with Peter Henlein

Peter Henlein, a 16th-century locksmith and clockmaker from Nuremberg, Germany, is considered to be the architect of the first ‘watch’. Devices for reading time, like sundials, obelisks, and hourglasses were used to measure the passage of time since ancient ages. He was one of the first craftsmen to fashion small ornamental clocks that one could …

The discovery of DNA

A person’s DNA, short for deoxyribonucleic acid, is a molecule that functions as a storehouse of genetic information. The discovery of DNA was a major breakthrough in medical science. While Watson and Crick gave the actual structure of the molecule, the credit of its discovery and identification goes to Friedrich Miescher. In 1869, Swiss-born Friedrich Miescher …