The History of Vegetal Biotechnology

Prof. Ramona Maghiar, Mihai Bravu Technical College, Bucharest, Romania

When scientists are playing

Ana Ilinca Fota, National College, Bucharest, Romania

The Evolution of Turtles

Giuseppe Merandino

The calculating machine: logarithm

Lykoudis Papanagiotou Salmas Siougros

History of Informatics

Kyrmanidou Eftichia & Taxidou Maria

The orientation of ancient Greeks

Theodora Istoriou

Mp3, an audio compression format

Vanni Rizzo