Environmental DNA harvested from the ocean, land and air can help scientists monitor wildlife. The challenge is figuring out how to interpret this eDNA.
Family members, fellow soldiers, remember Jacob Helgestad, a colonel in the Minnesota National Guard who led a dangerous and chaotic 12-day mission as the U.S. pulled out of Afghanistan.
According to the U.S. Department of Veterans Affairs, 66,143 of the 16.4 million Americans who served in World War II are alive. Approximately 131 World War II veterans die each day, according to the ...