An efficient material is needed to develop selective and effective sensing/removal systems with high flexibility, and low capital cost for control the capturing of toxic ions.
Guardian correspondent Afua Hirsch reports from the capital: The battle for control of northern Mali appears to be drawing nearer to the capital, Bamako, as a growing alliance of international forces continued to attack Islamist strongholds.
We investigated the association between social capital and all-cause mortality, performing separate analyses on a composite measure as well as four specific dimensions of social capital while controlling for covariates.
Duration of sleep was the only health behaviour included in this study that was associated with all dimensions of social capital after controlling for education, living arrangements and income.
What we can study are the associations between health and factors relating to neighbourhood characteristics and social capital by controlling for a number of individual factors which are known to covary with health.
A2 Rebel Fighting in Liberia Government and rebel forces in Monrovia, Liberia's capital, swung back and forth for control while driving thousands of civilians into foul encampments of displaced people.
In recent years, the violence has shifted away from the terraces into the streets of the capital as rival barras fight for control in a blaze of fire fights, drive-by shootings and mafia-style executions.
The Bush administration has issued numerous travel advisories and temporarily closed its consulate in the city of Nuevo Laredo, which has turned into a murder capital as drug traffickers fight for control of lucrative routes into Texas.
The internationally recognised government, which is the west's only logical partner, could not operate from the Libyan capital for weeks, and the control it exerts over the country's institutions is still loose.
Heavy losses for those with over €100,000 in the banks; capital controls for everyone.
Irreconcilable forces are tussling for control of the capital.
