Mercury is a liquid but why does our fingers does not get wet when we touch it?
Mercury does not wet our finger because the cohesive forces within the drops are stronger than the adhesive forces between the drops and finger.
When we ride upside down on a Rollercoaster why does our head get pulled towards our legs
Why ridges and grooves are present on our fingers?
Does hair provide us in sensation of touch? How?
Can albinism be cured?