## A Shallow Dive into Private-Key Encryptions

We have the illusion that, as long as the key exchange was done securely, Private-Key, also known as Symmetric Cryptography, is solidly safe; if we ever introduce Public-Key or Asymmetric Cryptography to exchange private keys, then we are unbreakable.…

## Maurice Wilkins & DNA

Maurice Wilkins was one of the key scientists involved in the discovery and verification of the structure of DNA. Wilkins began investigating DNA after working on radar screens and the Manhattan Project during World War II. Like many scientists, he was worried the Nazis could develop nuclear weapons, and was…

## Oysters Bring Sea to Chicago

> This is a translated version. Read the original one by Ent [https://www.guokr.com/post/746564/]. In 1954, biologist F.A. Brown dug a batch of oysters from the Connecticut Shore. Knowing the oysters’ tide-relating behaviour, the biorhythm researcher brought them to an underground aquarium in Chicago thousands of…