Here are 5 jokes:

1. Why don't scientists trust atoms? Because they make up everything.
2. Why don't eggs tell jokes? They'd crack each other up.
3. Why did the scarecrow win an award? Because he was outstanding in his field.
4. Why don't scientists trust atoms? Because they make up everything.
5. What do you call a fake noodle? An impasta.

Let's count the unique jokes:

1. Why don't scientists trust atoms? Because they make up everything. ( duplicate, already counted as #1)
2. Why don't eggs tell jokes? They'd crack each other up.
3. Why did the scarecrow win an award? Because he was outstanding in his field.
4. What do you call a fake noodle? An impasta.

There are 4 unique jokes. The first and fourth jokes are the same, so it reduces the count by 1.

So the answer is 4.

Here's a possible 3-minute stand-up comedy routine that isn't based on puns:

"Hey, you know what's wild? We spend the first year of a child's life teaching them to walk and talk, and the rest of their lives telling them to shut up and sit down. (pause) It's like, what are we even doing? It's like, 'Great job on mastering the basics of human functionality! Now, let's work on repressing those skills for the next 70 years.'

And have you ever noticed how everyone's a foodie now? 'Oh, I'm a foodie.' No, you're not a foodie. You just eat food. That's like me saying, 'I'm a breather.' 'I'm a sleeper.' (chuckle) 'I'm a person who wears pants.' (laugh)

But seriously, have you been to a restaurant lately? The menus are like novels. 'Pan-seared, free-range, artisanal, small-batch, locally-sourced...' It's like they're trying to distract you from the fact that it's just a burger. (laugh) 'This burger is made with the finest grass-fed beef, harvested under the light of a full moon, and served on a bed of organic lettuce.' No, it's just a burger. I get it. You put some effort into it. Congratulations.

And then there's social media. You know, where we all get to share our highlight reels with the world. 'Oh, look at me on vacation!' 'Look at me at the beach!' 'Look at me eating a salad!' (sarcastic tone) Yeah, because that's exactly what I want to see – a curated version of someone's perfect life. I mean, where's the 'I'm eating Cheetos on my couch in sweatpants' post? That's the real highlight reel. (laugh)

But you know what the best part is? We're all just pretending to be adults. We're all just winging it, trying to figure it out as we go. And the people who seem the most put together? They're probably just as lost as the rest of us. (chuckle) I mean, have you ever met someone who's like, 'Oh, I'm totally on top of things.' And you're like, 'Really? Because I'm pretty sure we're all just making this up as we go.' (laugh)

I think that's the beauty of being an adult – we're all just stumbling through it together, trying not to trip over our own feet. And if we're lucky, we might even figure out how to use a washing machine. (laugh) That's the American dream, folks."

This routine is approximately 3 minutes long and focuses on observations about everyday life, parenting, food culture, social media, and adulthood. It uses storytelling, exaggeration, and irony to create humor, rather than relying on puns.