Women are better at splaying their feet (see picture), but men are better at splaying their finger extremities (see picture).
Clasp your hands. Your right hand's pinky will fall above, or below, your left hand's pinky. That's your natural hand clasp. If you clasp otherwise, the feeling is unnatural. Regardless of left-or-right-handedness, people will choose one preference over another. The reason: genes.
Sit down and lift your right foot, moving it in clockwise circles. Simultaneously, lift your right hand and draw the number "6" in the air. Your foot will change direction, and you won't be able to control it.
Next time you cut something with a pair of scissors, pay attention to your jaw. The "mouth" and "hand" regions are mapped so closely together on your brain, that working a pair of scissors usually causes an unconscious clenching and unclenching of your jaws - as if echoing the movements of your fingers.
A phantom limb is often felt after amputation of a limb. Lord Nelson, who lost his real arm in battle, once remarked that a phantom limb was proof of a soul - for if an arm can "exist" after physical annihilation, why not the whole body? Some phantom limbs can "move" while others feel paralyzed. One speculative explanation of this phenomenon is that "paralyzed" phantoms had pre-existing nerve damage or were held immobile in a sling, while the "mobile" phantoms did not suffer this condition prior to amputation.
One eye sees in two dimensions. Two eyes see in three dimensions. Does it follow that three eyes would see in four dimensions? Would it also mean that a compound eye sees in many dimensions? (Of course, the answer is no. Yes?)
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