In the Age of Molecular Biology look at the most intrigue molecules - Proteins, DNA, if you have a rest. You can use Screen Saver VisProtSSS to look at the proteins in stereo for the education purposes, as a hobby, with curiosity or simply for a fun.
FirePlotter is a real-time firewall connection or session table monitor. It provides the ability to track usage of bandwidth and traffic for Cisco PIX ASA and FortiNet FortiGate firewalls.