By 1920, women bore, on average, just over three children.
It is obvious that larger compounds bear, on average, more functional groups, which may produce more hydrogen bond donors, hydrogen bond acceptors, flexible bonds, ring systems, and larger polar surface area.
A woman infected with Ascaris would bear on average two more children in her lifetime than would a woman free of the parasites, the researchers report online today in Science.
In Pakistan, women bear, on average, 4.1 children, and only 30% use contraception.
The energy and physical costs of such long-distance swimming are unknown, but scientists did note polar bears moved, on average, 2.3 times more than when the same individuals were on sea ice.
Of the estimated 900,000 black bears in North America, on average only one causes fatal injuries to a person each year.
But aides for both men said their offices should bear no blame for giving bigger breaks on average to non-residential property owners rather than to homeowners.
Female polar bears are now on average 88lbs lighter than they were in the early 1980s.
Just as alarmingly, South Sudan is one of the most dangerous places for a woman to bear a child: on average, 22 women of reproductive age die each day from complications with pregnancy and childbirth.
Dr. Stephen Herrero, an emeritus professor of environmental science at the University of Calgary and a leading expert on bear attacks, said, "There are 700,000 black bears and 70,000 grizzly bears in North America and on average they kill three people a year and injure a dozen to two dozen.
