Former U.S. President Barack Obama address the participants at a summit on climate change. Photo: Charles Rex Arbogast / AP

Former President Barack Obama warned a crowd at the Economic Club in Chicago this week that Nazi Germany provides an example of what happens if citizens fail to “tend to this garden of democracy," per the Associated Press. “Things can fall apart fairly quickly," he said.

He also spoke on the importace of the media, saying the press often irritated him but is "vital to democracy," the AP reports. President Trump expressed starkly different views in his rally in Florida Friday night.

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Post-debate poll finds Biden strong on every major issue

Joe Biden speaks Friday about "The Biden Plan to Beat COVID-19," at The Queen theater in Wilmington, Del. Photo: Drew Angerer/Getty Images

This is one of the bigger signs of trouble for President Trump that we've seen in a poll: Of the final debate's seven topics, Joe Biden won or tied on all seven when viewers in a massive Axios-SurveyMonkey sample were asked who they trusted more to handle the issue.

Why it matters: In a time of unprecedented colliding crises for the nation, the polling considered Biden to be vastly more competent.

Bryan Walsh, author of Future
3 hours ago - Science

The murder hornets are here

A braver man than me holds a speciment of the Asian giant hornet. Photo: Karen Ducey/Getty Images

Entomologists in Washington state on Thursday discovered the first Asian giant hornet nest in the U.S.

Why it matters: You may know this insect species by its nom de guerre: "the murder hornet." While the threat they pose to humans has been overstated, the invading hornets could decimate local honeybee populations if they establish themselves.