If we use IVF as an example (albeit performed on subfertile rather than fertile couples) significantly higher fertilization rates were achieved with 20 000 sperm/egg versus 5000 sperm/egg (Tournaye et al., 2002).
In this reading, Eden is a protected space but also a hermetic one, sterile rather than fertile, stripped down to reveal its prison-like essence.
Some fear that the company will become a museum of the past rather than a fertile ground in which to plant the seeds of the future.
The offspring (the sterile workers), therefore, may contribute more to their fitness (the maximum representation of their genes in the next generation) by caring for their sisters than by providing an equal amount of care to their "own" offspring, had they been fertile rather than sterile.
When females breed with the sterile males rather than wild fertile ones, there will be no viable offspring, meaning there are fewer mosquitoes around to transmit the disease.
The novelty of the reported work is to study a fuel design primarily intended to control the excess of reactivity at beginning of life, and flatten the intra-assembly power distribution rather than converting fertile Th-232 into fissile U-233.
Interestingly, maternal age was not an important confounding factor for TTP in RPL patients, which further suggests that implantation, rather than fertilization, is the major rate-limiting step in the fecundity of fertile couples.
He could rather glory in the fertile irony of the title: its promise of a subversive and heterogeneous creativity that flies by the nets of rigid expectations, thumbing its nose at the powers that seek to define and rule.
The notion that the future of their faith might lie in the barbarous lands of the west, rather than in the Fertile Crescent, would have struck Timothy as ludicrous.
An 1844 visit to the prairie states in the Midwest convinced McCormick that the future of his reaper and of the world's wheat production lay in this vast fertile land rather than in the rocky, hilly East.
