The reliability of percentage remaining (50% of the remaining rule) that has been used by scientists for the relative half-lives elapsed in responding to radiometric dating method is in question.
The percentage remaining (50% of the remaining) to the responding to the number of half-lives elapsed contradicts the phrase, the heavier something is the shorter its half-life, as stated above.
Commodity prices have come down, there is less access to trade, and so for the poorest people, the three billion - half the world that lives on under two dollars a day - it is a serious issue.
BBC: News | BREAKFAST WITH FROST | President of the World Bank James Wolfensohn
Mr Brown, on a week-long tour of Africa, spent two days in Tanzania before heading on Friday evening to Mozambique, a country where more than half of the 17-million population lives below the poverty line.
Approximately one-half of the world's population lives in rural areas, according to the World Health Organization, and most of them usually lack trained health care workers.
Instead, it is claiming it is linked to the quality of mentoring they get while doing their placements - they spend half of their degree on the job - and in the first months of their working lives.
On Wednesday she had to drive 18 miles to see him instead of the normal half-mile drive over the bridge to where he lives.
In neighbouring Liberia and Sierra Leone, recently-ended wars have cost around half a million lives in 15 years and left millions beggared and bereaved.
Women in high-flying jobs earn almost half a million pounds less in their lives than men with identical careers, a damning report reveals today.
FORBES: More Dismally Silly Nonsense About The Gender Pay Gap
Richard Anderson, 74, practically lives online and is more tech-savvy than some people half his age.
More than half the world's population already lives in cities and the urban population of sub-Saharan Africa is projected to double by 2030.
Given that he's only flown back home twice in the past two-and-a-half years, he knows an impressive amount of detail about his children's daily lives.
More than half of all black men without a high-school diploma go to prison at some time in their lives.
According to a 2008 study published in the Archives of Internal Medicine, between one-third and one-half of all women will find themselves coping with low sexual desire at some point in their lives.
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