11.   As a result, the researchers concluded that as cells developed, the proteins coating the DNA somehow masked all the important genes for embryo development.

12.   As there was no change in overall death rates, the researchers concluded that any fall in cancer deaths was being canceled out by deaths from the unnecessary treatments.

13.   Because the chimps copy the action in a stereotypical fashion, the researchers conclude that it is a culturally transmitted ritual.

14.   Based on that, the researchers concluded that most of the popular boys had qualities generally considered socially positive, like being friendly, cooperative and athletic.

15.   Biffle, who has long researched hangings in Texas, says researchers have concluded that everything about the Confederate investigation, trial and execution was probably illegal.

16.   Contrary to their expectations, nitric oxide apparently exerted a protective effect, the researchers concluded.

17.   Confirming what many patients on long-term anti-HIV therapy have experienced, researchers concluded that taking antivirals can dramatically and unpredictably alter the taste of other things.

18.   Consideration of traditional risk factors did little to change these results, the researchers concluded.

19.   Despite a widely held conviction that stifling anger is dangerous, some researchers have concluded that the expression of anger, in any form, is bad for you.

20.   In recent years, researchers have concluded that particulates are a greater threat to human health than carbon monoxide or ozone.