Via the Huffington Post: The number of children living apart from their fathers has more than doubled in the last fifty years, from 11 percent in 1960 to 27 percent in 2010.
crust - the trait of being rude and impertinent; inclined to take liberties cheekiness, insolence, impertinence, impudence, freshness, gall rudeness, discourtesy - a manner that is rude and insulting
The Earths interior (University of Chicago). The crust is the outermost layer of the Earth; itâs a thin shell of rock that measures just 30 km thick at the continents, and 5 km thick underneath the oceans. Just 1% of the Earthâs mass is made up of its crust.