Spelunkers Discover New Caverns in Montréal's Ancient Cave Network

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iStock

An ancient cave system beneath a Montréal park is much more vast than experts believed, the National Post reports.

In 1812, a farmer discovered a cave underneath his property in Montréal’s present-day Saint-Léonard borough. Once used to stockpile ammunition and conceal soldiers during the Rebellions of 1837, the Saint-Léonard cave system in Parc Pie XII is today a tourist attraction and historical landmark. But some speleologists (cave experts) suspected there was more to the natural wonder than met the eye.

Beginning in 2014, two amateur explorers named Daniel Caron and Luc Le Blanc began searching for undiscovered passages in the Saint-Léonard caverns, according to National Geographic. By 2015 they had some leads; in October 2017, they used drills and hammers to break down a cave’s wall to reveal a new cavern.

The stalactite-filled chamber has soaring 20-foot ceilings, and it's connected to a serpentine network of underground tunnels. These passages formed during the Ice Age around 15,000 years ago, when glacier pressure splintered underground rock.

So far, Caron and Le Blanc have explored between 820 to 1640 feet of virgin cave passage, and expect to find even more. They believe the vast network sits atop an aquifer, and ultimately leads to the Montréal water table.

Spelunking the Saint-Léonard cave system is challenging—some passages are filled with water or require special climbing or rock-breaking equipment. The explorers hope that the caves will be easier to investigate during the dry season, and that the receding waters will allow them to reach new depths below Montréal’s surface.

[h/t National Post]

Tax Day for Americans Will Be Pushed Back to July 15

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Enterline Design Services LLC

On Friday morning, less than a month before the American tax filing deadline of April 15, treasury secretary Steve Mnuchin announced via Twitter that Tax Day will be pushed back by three months—to July 15, 2020—in order to allow individuals and businesses dealing with the physical, financial, and logistical repercussions of the coronavirus pandemic some extra time to get their financial matters in order.

While the date change applies to all American individuals, businesses, and organizations—and no interest or penalties will accrue during this time—Mnuchin, in a second tweet, did suggest that anyone who has completed their taxes submit them now "to get your money."

No further details were given, though we're sure a more detailed statement will be coming as, at the time of publication, even the IRS's site still noted April 15 as the deadline.

In 1861, President Abraham Lincoln created the first income tax as a way to cover Civil War expenses. Calculating what you owed was a lot easier back then: It was a 3 percent flat tax on all incomes above $800. But it wasn't until 1913, with the passage of the 16th Amendment, that Congress formalized a nationwide income tax. Originally, Tax Day was March 1; a few years later, it was pushed back to March 15.

In 1955, revisions to the tax code moved the date back again to April 15, though there have been some exceptions. In 2016, 2017, and 2018, Americans got a few extra days to file because Tax Day cannot fall on a Saturday, Sunday, or legal holiday. But why did it move from March 1 in the first place? The IRS claims it needed more time to process returns, but tax experts believe that an increase in refunds for the middle class meant the agency wanted to hold onto its money longer and collect interest.

We're Hiring a Part-Time Editorial Assistant

zakokor/iStock via Getty Images
zakokor/iStock via Getty Images

Mental Floss is hiring a part-time editorial assistant for our New York City office (though part of your hours can be worked remotely). We’re looking for a rabidly curious individual who is interested in contributing to various aspects of MentalFloss.com.

You can write about almost anything, and you will: Why Paraguay loves Rutherford B. Hayes. What people did for fun in the 16th century. Why the Teenage Mutant Ninja Turtles were so obsessed with pizza. Chaucer. Mini-golf. Drones. Why Syrian golden hamsters spend so much time at the liquor store.

In addition to writing, researching, photo sourcing, web production, and pitching story ideas, you’ll have the opportunity to assist our social media editor with conceptualizing and executing ideas for our Facebook, Twitter, and Instagram channels and sharing the new content we post daily. You’ll also have the chance to work with our video team to write and produce our slate of YouTube series; pitch in on our new podcast; and be a part of our monthly team brainstorms. This is a fantastic opportunity for someone looking to learn the digital publishing industry from the ground up, to be able to contribute to some fun (and sometimes bizarre) projects, and to earn some bylines on our Webby Award-winning website.

You’ll be working approximately 15-20 hours per week (and can spend some of that time working remotely, though onsite hours will be required). The position starts ASAP and pays $15/hour. Though it’s scheduled to be a two- to three-month position, the opportunity to continue on after that may be possible.

Ideal candidates will have:
- At least one year of writing and/or editing experience (classes, school-based projects, and/or personal blogs or websites count)
- A natural curiosity and the ability to generate tons of story ideas and execute timely stories on tight deadlines
- Strong attention to detail and multitasking skills
- Energetic, positive written voice, and the ability to translate complicated concepts into accessible writing
- Strong research skills
- Ability to work and collaborate with a team

Click here for more information, and to submit your application.

We look forward to hearing from you!

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