For science week, God Forbid takes a forensic look at social media, military and medical technology.

For science week, God Forbid takes a forensic look at social media, military and medical technology.

Salt 'n Pepa's 90s song Let's Talk About Sex was a hit among young people, but it's a subject that can still be awkward to talk about with your kids.

And in the religious world, sex education can be very hotly contested.

Salt 'n Pepa's 90s song Let's Talk About Sex was a hit among young people, but it's a subject that can still be awkward to talk about with your kids.

And in the religious world, sex education can be very hotly contested.

What happens when you can no longer ignore those doubts about your faith?

What happens when you can no longer ignore those doubts about your faith?

Australia is increasingly becoming a secular country.

No longer is the church dominant in public and social affairs, and following the sex abuse scandal that's rocked it, the church has lost much of its moral authority.

But we are increasingly diverse in our faith. Islam ( 2.6 percent ) and Buddhism (2.4 percent) are the two biggest faiths after Christianity, with Sikhism and Hinduism the fastest growing religions.

And though still the biggest faith community at just over half of the population ( 52%), Christianity is on the decline.

So what does it mean for Christians to profess their faith today?

Australia is increasingly becoming a secular country.

No longer is the church dominant in public and social affairs, and following the sex abuse scandal that's rocked it, the church has lost much of its moral authority.

But we are increasingly diverse in our faith. Islam ( 2.6 percent ) and Buddhism (2.4 percent) are the two biggest faiths after Christianity, with Sikhism and Hinduism the fastest growing religions.

And though still the biggest faith community at just over half of the population ( 52%), Christianity is on the decline.

So what does it mean for Christians to profess their faith today?

A well-timed joke is truly a blessing, but can one laugh about their religion? What about somebody else's?

A well-timed joke is truly a blessing, but can one laugh about their religion? What about somebody else's?