"Your skin is actually your largest organ," Neil DeGrasse Tyson says. "It is even larger than-" he begins saying, then coughs.
He coughs with increasing force, popping capillaries in his eyes, leaving him kneeling on the ground retching. The coughing reaches a crescendo and he collapses onto the floor, twitching.
Suddenly his arm begins flailing violently, intense shuddering that ceases as it retracts into his torso.
No, his hand is still there, it wasn't the arm that retracted.