Question of the Day

Are male immigrants who arrived in the U.S. during 1995-99 making as much economic progress as male immigrants who arrived in 1965-69?… Continue reading

Question of the Day

Did the average global temperature increases of the 1980s and 1990s diminish Earth’s natural vegetation productivity?… Continue reading

Question of the Day

Adjusted for inflation, is the cost of feeding a child from birth through age 17 in the U.S. now higher or lower than it was in 1960?… Continue reading

Question of the Day

From 1982 to 2016, how much of the world’s tree coverage was lost?… Continue reading

Question of the Day

Which US. president formally ended diplomatic recognition of Taiwan and declared the Communist government in China to be the sole legitimate ruler of both China and Taiwan? Continue reading