This has enabled scientists to estimate the volume of water in the ice cap and speculate that much of the planet's original water is either hidden below the surface or missing.

BBC: By BBC News Online Science Editor Dr David Whitehouse

They also look very similar to the simulations coming out of Piomas (Pan-Arctic Ice-Ocean Modelling and Assimilation System), an influential computer model that has been used to estimate Arctic sea-ice volume and which has been the basis for several predictions about when summer sea ice might disappear completely.

BBC: Cryosat spots Arctic sea-ice loss in autumn

However, there could be about 10% upside to our price estimate for Nasdaq if the daily volume of options contract traded in U.S. exchanges increased to 27 million by 2017 because of the proposed bill.

FORBES: Big Upside For Nasdaq If Regulators Push Derivatives Onto Exchanges

"For example, we estimate that ascophyllum nodosum, the largest seaweed by volume harvested in Ireland, could withstand 75, 000 tonnes per annum, " he said.

BBC: Seaweed

Rush-hour delays and longer commuting times for people who live near Birmingham Interchange or Euston station in London could result as the volume of traffic is set to increase, and again it is difficult to estimate the precise economic cost, the IEA reasons.

BBC: HS2 cost and benefit debate not over

After a disappointing set of Q3 results from FedEx last week driven by overcapacity in the international freight industry and an unfavorable volume-mix in the express package delivery segment, we have adjusted our price estimate for the company.

FORBES: After Weak Results FedEx Looks Like A $105 Stock

Even a very conservative estimate of price elasticity (-0.1) would imply a 10% decline in volume in 2013 due to the base effect.

FORBES: A Closer Look At Philip Morris' Asia Opportunity