Religion and science have often been seen as being in conflict. But are religious faith and the scientific enterprise really at odds with each other?
Global climate change was the top-rated threat in a recent 40-nation survey, but concern about the issue is relatively low in the United States and Europe.
This type of chart is growing more popular, but just half of those with a high school education or less correctly interpreted one in our science quiz.
Only 34% of Americans correctly answered a question about the difference (if any) between boiling water in Los Angeles and Denver. So what's the right answer, and why?
Overall, a majority of Americans support stricter limits on power plant emissions, but as with climate change, the views of Democrats differ markedly from those of Republicans.