I'm a baker and I'm feeling crumby today

I'm a baker, and I'm feeling crumby today because I kneaded the dough, but it didn't rise to my expectations.

Why don't scientists trust atoms?

Because they make up everything!

So I was at the park with my kids, and we saw a guy playing fetch with his dog. The dog was really good at catching the ball, but the owner was having trouble throwing it straight. I asked him if he was using a special technique to throw the ball, and he said

he was paws-itive it would improve with practice