An emerging consensus now indicates a rising tide of entrepreneurial activity is a factor that links low tax burdens and improvements in welfare and wealth-creation for those at the bottom.

FORBES: Don't Let The Pundits Fool You, A Tax Hike On The Rich Is Paid For By The Poor

Another factor that needs considering is the level of lightning activity in early February in the region around Rome - something the UK's Met Office is able to monitor and record with the help of a system of sensors dotted around Europe.

BBC: What is the chance of lightning striking St Peter's?

Lapatinib, it turns out, also inhibits the activity of a protein called the epidermal growth factor receptor, which has been found to be important for stem-cell proliferation.

ECONOMIST: Cancer therapy

Taxation--indispensable to the functioning of government--becomes an inhibiting factor in private sector activity in developing countries when applied through cumbersome rules and administration, as is usually the case.

FORBES: Making Business Work for the Poor

One confounding factor is that the late Cretaceous was also a period of great volcanic activity.

ECONOMIST: Mass extinctions

News the International Monetary Fund beefed up its emergency lines of credit was not a major factor in the market place, after an initial and short-lived flurry of price activity.

FORBES: Comex Gold Ends Higher On Bargain Hunting, Short Covering

"We are just starting to work out the mechanisms: hormones play a role, but a lack of physical activity, which tires you out, could well be a factor too, " said Dr Sharhad Taheri, who has studied the relationship between sleep and obesity closely.

BBC: RELATED BBC SITES

The report also called on the Department of Treasury to develop guidelines to explain social welfare activity -- the primary factor in obtaining tax-exempt status.

CNN: SHARE THIS

Frequency of trades is only one factor and case law shows it came about only to verify continuous business activity standards.

FORBES: Arguments For Traders To Use In IRS Exams And In Tax Court

"Density and street connectivity also matter, but mixed use is the most important factor relating to physical activity and obesity, " said lead author Lawrence Frank , now a professor at the University of British Columbia.

FORBES: Chewing The Fat On Obesity