Grace Snell | Arctic changes trigger an international race for newly available resources
Icelandic study reveals data that could be used to estimate life span
Plus more Americans held in Turkey and unrest in Nicaragua
Prosecutors say evidence is piling up against the Israeli prime minister
The popular tests pose security concerns and may reveal hard-to-handle truths
Pakistani-American aide to Rep. Debbie Wasserman Schultz bilked the U.S. government out of millions of dollars
Turkey stands in the way of Iraqi Christians returning home
