资讯

We feature a special broadcast marking the Juneteenth federal holiday that commemorates the day in 1865 when enslaved people ...
Juneteenth, the federal holiday commemorating a significant step toward the end of slavery in the United States, marks a ...
North Carolina congressional and legislative districts drawn by Republicans in 2023 that helped them retain majorities in ...
The institution of slavery was not brought to the New World with the arrival of the European settlers. Slavery had been ...
Look past the Spanish fort, ornate Moorish buildings and main plaza to discover Black history in St. Augustine, Florida. More than 450 years ago, the first Africans in North America helped build the ...
North America added five rigs week on week, according to Baker Hughes’ latest North America rotary rig count, which was released on May 16. Although the U.S. dropped a total of two rigs week on ...
North America cut 12 rigs week on week, according to Baker Hughes’ latest North America rotary rig count, which was released on May 9. The U.S. and Canada each dropped a total of six rigs week ...
An illustration of a magnifying glass. An illustration of a magnifying glass.
The Carson Chamber Singers will continue its 40th season with "North America: A Choral Tapestry" concerts Friday and Saturday, April 25 and 26. The concerts will celebrate music by composers from the ...
Building on a larger project by Junlin Hua, lead author on the new study, the team created a full-waveform seismic tomographic model for North America. This computer model utilized seismic data ...
North America’s geological core has persisted for ... By analyzing the waves, scientists can reverse engineer a map of Earth’s innards, Hua says. And the researchers sought to conduct this ...
The discovery was possible thanks to a wider project led by Hua to map what lies beneath North America using a high-resolution seismic imaging technique called "full-waveform inversion." ...