Photo: Mark Wilson/Getty Images

Former Vice President Joe Biden is Iowa Democratic caucus-goers' preferred presidential candidate, a Des Moines Register/CNN/Mediacom Iowa poll issued Saturday shows.

Why it matters: The poll of likely caucus-goers placed Biden at the top with 27 percent. Biden is their first choice for president Biden is "very close" to making a decision on whether to run in 2020 after getting his family's blessing. This poll showing he has a 2-percentage-point lead over state Democrats' next-preferred candidate, Sen. Bernie Sanders (I-Vt.), may help him decide to run. “If I’m Joe Biden sitting on the fence and I see this poll, this might make me want to jump in,” said J. Ann Selzer, president of the Des Moines-based Selzer & Co., which conducted the poll, to the Des Moines Register.

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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
4 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.