Word: knowingly
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Precisely how PAHs might harm the developing brain is unclear, though more than one mechanism may be at work. "We know from many studies that the developing fetal brain is particularly vulnerable to neurotoxic chemicals," says Perera. "One of the reasons is that it is rapidly developing. The defense mechanisms present in the adult are not present in the fetus: these include detoxification and repair enzymes." Exposure to pollution could cause direct genetic damage or epigenetic changes, which are changes in how genes are expressed...
...good news, Perera says, is that we know how to reduce these dangerous emissions. "Efforts to reduce diesel truck idling and require cleaner fuels have been effective in reducing pollution," she says. Her own group has seen a modest decline in PAH levels as a result of such policies. "This study shows more needs to be done. We want healthy children, children who can reach their potential...
...Zanu ? and a party that is not able to exist outside an individual is not a party with much to talk about. I don't want an MDC that is not able to fight on if I am not there. Their support has dwindled to 10-20%. They know we beat them last time. They heavily relied on state institutions to back them up ? the courts, the police, the army, the electoral mechanisms, all there to serve Zanu. This is the reason why the transition is important ? to create the necessary institutional reforms so that the next...
...particularly proud to read your statement in which you identified and sympathized with black people far less privileged than yourself, who undergo similar arrest and even more suffering. As you remarked, their stories rarely make the national news. We will probably never know the full emotional state of the policeman who came to your own home in the belief that you were breaking and entering. We do know you, however. Rest assured we are in your corner...
...choice does, perhaps, induce a sense of discomfort in tourists. It isn’t the neat, tidy housekeeping that sight-seers (myself included when I travel) tend to appreciate when they visit a place. Tourists often want to know what they are seeing and why it is important in one minute or less—as if to say, “Good, now we’ve done this. Next.” The way the Roman forum is set up does not allow for that. One has to sit or stand, staring and discerning, guidebook in hand...