It's up now.

Odd: "engineers are more likely to be religious than other graduates"

Do they pray more before final exams?

I tend to.

most of my friends tend to, maybe this is why I fail most of the courses and afterwards go to internet and learn about the topics on my time, just for fun

Dan Pink has a great talk about motivation on TED.

http://www.ted.com/talks/dan%5Fpink%5Fon%5Fmotivation.html