What did the stepbrother and stepsister do together?
Oof, mitosis!
Don't trust the atoms, because they make up everything.
I invented a time-traveling machine and traveled back to Pangea. I warned the dinosaurs about the deadly asteroid. They told me, "It wasn't an asteroid... it was Pionel Pessi's penalty ball ricocheted from Mars that made them extinct." Tears ran down my face. Shame on you, Pessi!
Why did the bird lay an egg on Stephen Hawkings?
Because he is Stephen HAWKings.
Steven Hawking
The reason why Stephen Hawking died is because he tried to overclock his wheelchair.
Stephen Hawking died because his wheelchair couldn’t run Windows 10.
When Stephen Hawking died, he saw the stairway to Heaven.
He thought to himself, "Oh God, this is awkward!"
What do you call Stephen Hawking when he eats too much?
As fat as Ben Dingley.