For an LCD screen, you should never use anything but a soft cloth moistened with a little water. For a CRT(older, thick kind of monitor), a little but of dish soap with water can be used, again with...
A fingerprint analyst is a specially trained expert who knows what to look for in a fingerprint and can reach a correct conclusion whether the two prints share a common origin. An expert knows what...
They are formed in the womb during the 3rd month after conception. There is some genetic influence - the size of the fetus's volar pads affects overall pattern type, but the environment in the womb...
We have fingerprints because it provides a grip. If your finger tips were smooth it would be harder to grip things. Also to sometimes identify ourselves