A research project at Tel Aviv University is tackling the problem of making Captcha more secure. Captcha is an open source program created by a team from Carnegie Mellon University. It consists of a component that shows wavy letters on Web sites and asks the visitor to type them into a box to prove he or she is human and not a bot trying to hack into a server or database.
DawsonITE is a blog devoted to Educational Technology. It's compiled by Rafael Scapin, Coordinator of Educational Technology at Dawson College in Montreal (Canada).