The one that every schoolchild learns about began in 1804, when Thomas Jefferson sent Meriwether Lewis and William Clark on their epic journey across North America ... sq mi MAPS: RYAN MORRIS ...

1700s: Almost half of the slaves coming to North America arrive in Charleston. Many stay in South Carolina to work on rice plantations. 1739: The Stono rebellion breaks out around Charleston ...

At low energy resolution it provides qualitative and quantitative information on the elements present whereas at high energy resolution it gives information on the chemical state and bonding of those ...

The storms and high winds can damage homes and businesses and have a big economic impact. Arenal Volcano is an active volcano in Costa Rica, which is in the south part of North America.

The northern lights could be seen as far south as Iowa, Oregon and Pennsylvania, according to the center. If the conditions ...

Kim and the research team produced a detailed map of the vascular network of the whole mouse brain using two high-resolution 3D mapping techniques: serial two-photon tomography—a technique that ...

A famed explorer was sure the ice hid something profound. Ninety years later, scientists have put forth the strongest ...

OAKLAND, Calif.—It was another NFL Sunday at what was once the most famous sports bar in the country, and upon first glance it was like nothing had changed. A souped-up Escalade adorned with ...

More than half of states are now seeing "high" or "very high" levels of SARS-CoV-2, the virus that causes COVID-19, in their ...

Measured in dots per inch (dpi), the more dpi, the higher the resolution and quality. Screens are in the 70-400 dpi range whereas printers are in the 300-1200 dpi range. Imagesetters typically ...

Today, high-quality music is no longer bound to physical media. HDtracks pioneered high-resolution audio downloads and offers music titles at CD quality and greater. In addition, music played from ...