The fund normally invests at least 80% of assets in securities included in the Bloomberg U.S. 20+ Year Treasury Bond Index. It normally maintains a dollar-weighted average maturity that is generally ...

Scientists are using controlled fires to study how to protect homes from wildfires. At a site in South Carolina, researchers ...

Did you know that sloths can hold their breath longer than dolphins can, or that it would take more than 1,200,000 mosquitoes ...