Linear Elamite is a Bronze Age writing system used in Elam, a civilization that stretched in the west & southwest of Iran and a small part of southern Iraq 4500 years ago.
MIT Professor Regina Barzilay and MIT PhD student Jiaming Luo recently made a major development in the study of the linguistics of lost languages. They have developed a new system that has been shown to be able to automatically decipher a lost language, without needing advanced knowledge of its relation to other languages.
Ancient Egyptians used black ink for writing the main body of text, while red ink was often used to highlight headings, instructions, or keywords. Research into the composition of ink has transformed ideas around Ancient Egyptian writing practices.