What is the talent of the Ekaterina branch of the 39 clues?

The Ekats are the brains of the Cahills. They invented many things, such as the atomic bomb, video recorder, cotton gin, airplane, and many, many, more. Some famous Ekats are Marie Curie, Victor Wood, Galileo, and many more inventors and scientists. They have strongholds in the Bermuda Triangle, Hotel Excelsior in Cairo, and the largest collider in the world, CERN.