Regular readers know we really don’t need any more proof that Americans are really poor at history and civics, but let’s throw some out there anyway.

A new study from Washington University in St. Louis involved asking people about the former president on the $10 bill. It’s a trick question. A former president isn’t on the $10 bill.

“Our findings from a recent survey suggest that about 71 percent of Americans are fairly certain that Alexander Hamilton is among our nation’s past presidents,” said Henry L. Roediger III, a human memory expert at Washington University.

Roediger has found over the years of doing this sort of thing that we’re pretty good at recognizing the names of the first few presidents and the last few presidents, but everything in between is a crap shoot.

The rate for correctly recognizing the names of past presidents was 88 percent, well above recall but far from perfect. Franklin Pierce and Chester Arthur were recognized less than 60 percent of the time. Hamilton was more frequently identified as president than several actual presidents, and people were very confident when saying he was president (83 on the 100-point scale).

The study identified three other prominent figures from American history that more than a quarter of those surveyed incorrectly recognize as past presidents, including Franklin, Hubert Humphrey and John Calhoun.

Perhaps more striking, nearly a third of those surveyed falsely recognized the common name “Thomas Moore” as someone who was once an American president.

Humphrey served as vice president and ran for president in 1968. It didn’t go well.

Franklin was a famous American involved in the events surrounding the founding of the country and served as ambassador to France. Calhoun was a senator and vice president for seven years.

For the record, there have been only 44 people elected president in this country, six fewer than the number of states.

Luke McAvoy, an offensive lineman for the University of Minnesota football team from 2011-2014, was in a difficult spot during the same-sex marriage debate in Minnesota at the time.

While his teammates all had opinions of the issue, McAvoy kept quiet. He hadn’t yet told the team that he’s gay.

Writing on Outsports today, McAvoy said “quiet was always better than saying the wrong thing, something that might have given me away.”

And for good reason, he writes. When he told his mother in his senior year in high school in Illinois, she said, “”Hide it, whatever you do, hide it.”

I was an offensive lineman on a team in the Big Ten, playing the game I loved. What more could I dream of? It was everything I had worked for. I got to spend each day with some great teammates, lifting, practicing and joking around.

Every Friday, a group of student-athletes would go and volunteer at schools around Minneapolis. The kids would go nuts when they saw all the athletes walking down the hall. We would get to read, sing, answer a few questions and occasionally dance with the kids.

Balancing the scales between who I am and the dream that I wanted to live was a constant struggle. Every moment was tainted by questions of, “Is this how I am supposed to feel?” or “Would I feel different if people knew?”

I remember listening to one of Coach Jerry Kill’s post-game speeches, when he spoke about simply enjoying the moments in life, and all I could think about was what I would be feeling or how I would act if I was out at the time. The toll of these thoughts finally broke me after my junior season.

As the new year started in 2014 I forced myself to accept that this was the year that I would finally tell someone again. This would be it. No really, this year was it. I could not go another year living two lives. I had to do it. The night of Feb. 9, 2014, I texted two of my closest teammates saying we had to talk.

It was the day Michael Sam announced he’s gay. And McAvoy knew he had to say something too. So he told two teammates.

He says he wishes he’d done it sooner.

My coming out experience taught me that the fear I grew up with about being gay doesn’t need to exist anymore.

Yes, there is still discrimination against the LGBT community. Yes, I have lost some friends and family members. But I believe times are changing, things are getting better. It is our responsibility to not let fear stop us.

McAvoy is now a teacher in Milwaukee.

Related: The student athlete: Luke McAvoy (Next Impulse Sports)

Aaron J. Brown, who pens the Minnesota Brown online column, reports that funding for the Soudan Mine underground physics lab is in doubt, citing a Minnesota Timberjay report.

What do scientists do underground on the Mesabi range? No big deal. They’re just looking for the secret of the universe. Or at least they were. They were looking for the weakly interacting massive particle — WIMP — that may hold the universe together.

The possibility that the discovery may be made in Minnesota has always tickled the imagination. Sure, we might be flyover country. The only thing down here, perhaps, is the secret to everything.

In 2009, the New York Times reported that the physicists there had found the first “faint hope” of finding dark matter. Suffice it to say, that didn’t pan out. Otherwise, we would have heard about it.

In fact, the MINOS beam in the mine, is turned off. The guts of the effort were intended to be relocated to Canada. Labs in Europe are picking up much of the research into neutrinos, although there’s a glimmer of hope a lab in South Dakota can be funded.

We could’ve been somebody. But, alas, our shot at science immortality is as elusive as the question of what holds the universe together.

Related: ‘Dark sunshine’ could illuminate the search for dark matter (New Scientist).