Kat Eschner

Kat Eschner is a freelance science and culture journalist based in Toronto.

Stories from this author

Mining foreman R. Thornburg shows a small cage with a canary used for testing carbon monoxide gas in 1928.

What Happened to the Canary in the Coal Mine? The Story of How the Real-Life Animal Helper Became Just a Metaphor

The humble bird, which was employed until 1986, represents an important part of mining history

Another supposedly unlucky thing: black cats.

Why Are We So Scared of Friday the 13th?

From the Knights Templar to Norse mythology, here’s how fear of the spooky date crept into popular culture

A woman adds artificial sweetener to a drink. The paranoia over the health dangers of aspartame can be traced back to an early Internet hoax.

The Decades-Long Struggle to Figure Out Whether Aspartame Is Bad for You

As groups within the World Health Organization are reviewing the artificial sweetner’s potential to cause cancer, take a look back at a hoax from the ‘90s

Richard Nixon and his daughter Tricia on her wedding day in June 1971

A Brief History of White House Weddings

Naomi Biden’s nuptials will mark the 19th wedding held at the presidential seat of power

The face of a genius.

Five Things to Know About French Enlightenment Genius Émilie du Châtelet

She was brilliant and unconventional, but her life had a tragic end

Cellucotton, the material used to make Kotex sanitary pads, was used in World War 1 hospitals as a bandage. Nurses quickly found another use for it.

The Surprising Origins of Kotex Pads

Before the first disposable sanitary napkin hit the mass market, periods were thought of in a much different way

Creating a phylogeny of all bird life will help researchers map birds' evolutionary relationships and create conservation plans.

What We Can Learn From a New Bird Tree of Life

Sequencing the DNA of more than 10,000 birds could reveal how best to conserve our feathery friends—and when they evolved from dinosaurs

Elle Fanning as author Mary Shelley

Watch: The First Trailer for ‘Mary Shelley’ Explores the Many Inspirations for ‘Frankenstein’

The biopic will follow Mary Wollstonecraft’s scandalous teenage romance with the older Percy Bysshe Shelley and the events that shaped her most famous book

To demonstrate Tupperware's patented seal, Brownie Wise tosses a bowl filled with water at a party.

The Story of Brownie Wise, the Ingenious Marketer Behind the Tupperware Party

Earl Tupper invented the container’s seal, but it was a savvy, convention-defying entrepreneur who got the product line into the homes of housewives

Musician and actor Nive Nielsen portrays Lady Silence, the most prominent Inuk character in 'The Terror.'

Tales of the Doomed Franklin Expedition Long Ignored the Inuit Side, But “The Terror” Flips the Script

The new AMC television show succeeds in being inclusive of indigenous culture

Dr. Frankenstein at work in his laboratory

What Frankenstein Can Still Teach Us 200 Years Later

An innovative annotated edition of the novel shows how the Mary Shelley classic has many lessons about the danger of unchecked innovation

The home bioreactor in its intended environment. It also provides light for herbs.

In the Future, Will We Be Growing Fruit in Home Bioreactors?

A team of molecular biologists wants you to forget about strawberries and, instead, take “cell jam” for a whirl

A decline in women authors and named characters has subtly shaped our understanding of literary history, says study author Ted Underwood.

Women Were Better Represented in Victorian Novels Than Modern Ones

Big data shows that women used to be omnipresent in fiction. Then men got in the way

Snowy owls may be a nice surprise in more Southerly climes, but these charismatic birds are also at risk.

A Winter Boom of Snowy Owls Masks a Host of Climate Threats

Despite their seeming abundance, these far-flung raptors are in danger

Figure skating at the Olympic winter games in Garmisch-Partenkirchen, 1936

A Brief History of Women’s Figure Skating

You might be surprised to learn that this sport where women now shine was initially seen as solely the purview of male athletes

English Bulldogs illustrate the dramatic turn dog evolution has taken at the hands of humans.

The Evolution of Petface

The same traits that make these dogs adorable threaten their health and well-being

During the 1962 Cuban Missile Crisis, President John F Kennedy discusses results of surveillance missions in Cuba

How the Presidency Took Control of America’s Nuclear Arsenal

From Truman onwards, the ability to order a nuclear strike has shaped the office

A YMCA gym in 1910.

The YMCA First Opened Gyms to Train Stronger Christians

Physical fitness was a secondary goal for the movement

Madame Pompadour, by Francois Boucher

Madame de Pompadour Was Far More Than a ‘Mistress’

Even though she was a keen politicker and influential patron, she’s been historically overlooked

A 2013 Romanian stamp features Cochran and her dishwasher.

This Time-Saving Patent Paved the Way for the Modern Dishwasher

Josephine Cochran just wanted to stop having broken dishes

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