Positive

Two sodium atoms are walking down the street. Suddenly one says “Oh, my God, I’ve lost an electron!” The other says “Lost an electron! Are you sure?” and the first replies “Yes, I’m positive!”
Why was the wheelchair basketball team banned from the Paralympics?
They all tested positive for WD-40.
What is blood's message to the world? B POSITIVE.
The Most Important Thing in Life
The Most Important Thing in Life It was the retirement dinner for Tim Simmons. He’d lived a long life. When he was only 25 he went on a mission trip to South America where he met two young boys who he later adopted. Seeing the standard of living in South America prompted him to study medicine- a field he completely excelled in and successfully developed vaccines for over ten diseases. With the little money he earned from his hard work he immediately donated it back into relief funds for all the places he’d visited. His coworkers all loved him, ask anyone and they all say he was the most positive and bright man they’d ever met. This is why it came as no surprise that during his retirement dinner, an angel descended from heaven to speak with him. “You have lived a giving life, one that many could look up too and many relied on to survive. Because of this, we would like to give you a gift- a long and healthy life, all the wealth you could imagine, or unparalleled wisdom.” Tim debates between longevity and wisdom for half a breath but very quickly decides he wants unparalleled wisdom. The angel reaches down, touches his forehead, and leaves without another word. The guests at the dinner, still in a partial state of shock, stare in silence at the slack jawed man. Eventually, his coworker and closest friend speaks up, “Well? How is it?” The room was silent for a few seconds while Tim mulled over the question. “I should’ve chosen the bloody money.” He said.
I’m positive I just lost an electron.
Better keep an ion that.
Just found two lumps on my car battery.
Got them tested, one came back positive. I hope it's not terminal.
My dad, unfortunately, passed away when we couldn’t remember his blood type… But he was a good man. His last words to us were, “Be positive!”
A linguistics professor says during a lecture that, "In English, a double negative forms a positive. But in some languages, such as Russian, a double negative is still a negative. However, in no language in the world can a double positive form a negative." But then a voice from the back of the room piped up, "Yeah, right."