no im not fighting the urge to ya-a-a-a-w-n... Zz... Zz... Zz...
Obviously they are emitted when yawning. Go ahead yawn in front of someone and they'll yawn back. Even reading this you are fighting the urge to yawn.
Um...they're not fake. They just haven't been actually captured by physicists yet. 50 years ago nobody really believed in quarks, either.
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no im not fighting the urge to ya-a-a-a-w-n... Zz... Zz... Zz...
Obviously they are emitted when yawning. Go ahead yawn in front of someone and they'll yawn back. Even reading this you are fighting the urge to yawn.
Um...they're not fake. They just haven't been actually captured by physicists yet. 50 years ago nobody really believed in quarks, either.