13 Facts About Opossums

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Opossums, which include the roughly 100 species in the order Didelphimorphia, are some of the most misunderstood animals in the Americas. They’re often thought of as dimwitted, dirty creatures whose most impressive trick is acting like roadkill. The truth is just the opposite: Opossums are smarter, cleaner, and more beneficial to humans than many of their woodland neighbors. Read on for more opossum facts.

1. OPOSSUMS AND POSSUMS AREN’T THE SAME ANIMAL.

In North America, opossum and possum describe the same thing, but in Australia the word possum refers to a completely different animal. Among the most well known of their respective types are the Virginia opossum and the brushtail possum. Both are small to medium sized, omnivorous marsupials, but the similarities end there. The possum looks like a cute cross between a squirrel and a chinchilla and it belongs to a different order than the North American mammal that shares (most of) its name. Despite the potential for confusion, possum is accepted as the shortened version of opossum in this part of the world (and if you see the word possum in this list, you can assume it’s referring to the animal from the Americas).

2. THEY’RE THE ONLY MARSUPIALS FOUND NORTH OF MEXICO.

Marsupials—mammals that carry and nurse their young in pouches—are absent from much of the world, and in Canada and the United States opossums are the sole representatives of the group. Like other marsupials, mother possums give birth to tiny, underdeveloped offspring (called joeys) that immediately crawl into a pouch where they live and nurse during their first months of life. Only once they’ve grown big and strong enough do they venture out, transitioning between their mother’s back and the warmth of the pouch until they mature into adults.

3. THEY CAN’T CHOOSE WHEN THEY PLAY DEAD.

Possum playing dead.
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Perhaps the most famous characteristic of the opossum is its tendency to play dead in front of predators. When the animal experiences intense fear in the face of danger, it seizes up and flops to the ground where it can remain for hours staring blankly ahead and sticking out its tongue. It’s an impressive defensive mechanism, but its effectiveness can’t be chalked up to the possum’s acting skills. Possums have no control over when they play dead or for how long they do it: The comatose-like state is an involuntary reaction triggered by stress.

4. AN OFFENSIVE ODOR SELLS THE PERFORMANCE.

A picture of a possum playing dead doesn’t really do it justice. To get the full experience, you need to be standing over to it to smell the putrid odor it emits when pretending to be a corpse. The smelly substance it secretes from its anus is just one more reason for foxes and bobcats to look for their dinner elsewhere.

5. THEY SLOW THE SPREAD OF LYME DISEASE.

Even if possums aren’t the cutest creatures in the forest, they should be a welcome addition to your backyard. Unlike other mammals that carry ticks, and therefore spread Lyme Disease, possums gobble up 90 percent of the ticks that attach to them. According to the National Wildlife Federation, a single possum consumes 5000 of the parasites per tick season. That means the more possums that are in your area, the fewer ticks you’ll encounter.

6. THEIR MEMORIES ARE SURPRISINGLY SHARP.

Possum looking up at table.
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Opossums have impressive memories—at least when it comes to food. Researchers found that possums are better at remembering which runway led to a tasty treat than rats, cats, dogs, and pigs. They can also recall the smell of toxic substances up to a year after trying them.

7. THEY’RE IMMUNE TO MOST SNAKE VENOM.

While most animals look at a snake and see danger, a possum sees its next meal. The animals are immune to the venom of nearly every type of snake found in their native range, the one exception being the coral snake. Possums take advantage of this adaptation by chowing down on snakes on a regular basis.

Researchers have been trying to harvest possums’ antivenom powers for decades. A few years ago, a team of scientists made progress on this front when they recreated a peptide found in possums and and found that mice given the peptide and rattlesnake venom were successfully protected from the venom’s harmful effects.

8. THEY ALMOST NEVER GET RABIES.

While possums aren’t totally immune to rabies (a few cases have been documented), finding a specimen with the disease is extremely unlikely. Marsupials like possums have a lower body temperature than the placental mammals that dominate North America—in other words, their bodies don’t provide a suitable environment for the virus.

9. THEIR TAIL ACTS AS A FIFTH APPENDAGE.

Baby opossum hanging from a tree branch by its tail.
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Opossums are one of a handful of animals with prehensile tails. These appendages are sometimes used as an extra arm: They can carry grass and leaves for building nests or grip the sides of trees to provide extra stability while climbing. Baby possums can even use their tails to hang from branches upside down as they’re often depicted doing in cartoons. But it’s a myth that possums sleep this way: Their tails are only strong enough to hold them for a short amount of time.

10. THEY’RE CONSTANTLY SELF-GROOMING.

Thanks to their whole acting-and-smelling-like-a-corpse routine, opossums aren’t known as the most sanitary animals in nature. But they take cleanliness seriously: The Washington Department of Fish and Wildlife writes that possums, like housecats, use their tongue and paws to groom themselves frequently and thoroughly. Possums largely lack sweat glands, and this behavior is believed to help them cool down. It also has the added effect of rendering them odorless (when they’re not secreting stinky predator-repellant, that is).

11. THEIR EYES AREN’T TOTALLY BLACK.

Close-up on opossum's face.
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One of the opossum’s most recognizable features is its pair of opaque eyes. Opossum eyes do have whites and irises, but because their pupils are so large, their eyes appear completely black from a distance. The exaggerated pupil dilation is thought to help the nocturnal animals see after the sun goes down.

12. THEY’RE SOCIAL CREATURES.

It was long assumed that opossums like to keep to themselves, but a study published in the journal Biology Letters suggests they have a social side. Researchers at the Federal University of Pernambuco in Recife, Brazil observed some possums in captivity sharing dens even if they weren’t mates. In one case, 13 white-eared opossums of various age groups were cohabiting the same space. The scientists suspect that male and female possums living in the wild may even build nests together as a way to trigger the female’s reproductive hormones.

13. THEIR REPRODUCTIVE SYSTEMS ARE COMPLICATED.

The way it gives birth and raises its young isn’t the only thing that’s interesting about the opossum's reproductive life. Females have two vaginal tracts and two uteri, and males in turn have a forked or bifurcated penis. This is fairly typical for marsupials, but when European colonizers first landed in North America centuries ago, they didn’t know what to make of the confusing genitalia. One explanation they came up with was that male opossums impregnated females through the nose.

13 Incredible Facts About Frederick Douglass

Photo Illustration: Mental Floss. Douglass: Glasshouse Images, Alamy. Backgrounds: iStock
Photo Illustration: Mental Floss. Douglass: Glasshouse Images, Alamy. Backgrounds: iStock

The list of Frederick Douglass's accomplishments is astonishing—respected orator, famous writer, abolitionist, civil rights leader, presidential consultant—even more so when you consider that he was a former slave with no formal education. In honor of his 201st birthday, here are 13 incredible facts about the life of Frederick Douglass.

1. He bartered bread for knowledge.

Because Douglass was a slave, he wasn't allowed to learn to read or write. A wife of a Baltimore slave owner did teach him the alphabet when he was around 12, but she stopped after her husband interfered. Young Douglass took matters into his own hands, cleverly fitting in a reading lesson whenever he was on the street running errands for his owner. As he detailed in his autobiography, Narrative of the Life of Frederick Douglass, he'd carry a book with him while out and about and trade small pieces of bread to the white kids in his neighborhood, asking them to help him learn to read the book in exchange.

2. He credited a schoolbook with shaping his views on human rights.

Engraving of Frederick Douglass, circa the 1850s.
Engraving of Frederick Douglass, circa the 1850s.
Hulton Archive, Getty Images

During his youth, Douglass obtained a copy of The Columbian Orator, a collection of essays, dialogues, and speeches on a range of subjects, including slavery. Published in 1797, the Orator was required reading for most schoolchildren in the 1800s and featured 84 selections from authors like Cicero and Milton. Abraham Lincoln was also influenced by the collection when he was first starting in politics.

3. He taught other slaves to read.

While he was hired out to a farmer named William Freeland, a teenaged Douglass taught fellow slaves to read the New Testament—but a mob of locals soon broke up the classes. Undeterred, Douglas began the classes again, sometimes teaching as many as 40 people.

4. His first wife helped him escape from slavery.

Portrait of Anna Murray Douglass, Frederick Douglass's first wife.
First published in Rosetta Douglass Sprague's book My Mother As I Recall Her, Wikimedia Commons // Public Domain

Anna Murray was an independent laundress in Baltimore and met Douglass at some point in the mid-1830s. Together they hatched a plan, and one night in 1838, Douglass took a northbound train clothed in a sailor's uniform procured by Anna, with money from her savings in his pocket alongside papers from a sailor friend. About 24 hours later, he arrived in Manhattan a free man. Anna soon joined him, and they married on September 15, 1838.

5. He called out his former owner.

In an 1848 open letter in the newspaper he owned and published, The North Star, Douglass wrote passionately about the evils of slavery to his former owner, Thomas Auld, saying "I am your fellow man, but not your slave." He also inquired after his family members who were still enslaved a decade after his escape.

6. He took his name from a poem.

He was born Frederick Augustus Washington Bailey, but after escaping slavery, Douglass used assumed names to avoid detection. Arriving in New Bedford, Massachusetts, Douglass, then using the surname "Johnson," felt there were too many other Johnsons in the area to distinguish himself. He asked his host (ironically named Nathan Johnson) to suggest a new name, and Mr. Johnson came up with Douglas, a character in Sir Walter Scott's poem The Lady of the Lake.

7. He was deemed the 19th century's most photographed American.

Portrait of Frederick Douglass
Wikimedia Commons // Public Domain

There are 160 separate portraits of Douglass, more than Abraham Lincoln or Walt Whitman, two other heroes of the 19th century. Douglass wrote extensively on the subject during the Civil War, calling photography a "democratic art" that could finally represent black people as humans rather than "things." He gave his portraits away at talks and lectures, hoping his image could change the common perceptions of black men.

8. He refused to celebrate Independence Day.

Douglass was well-known as a powerful orator, and his July 5, 1852 speech to a group of hundreds of abolitionists in Rochester, New York, is considered a masterwork. Entitled "What to the Slave is the Fourth of July," the speech ridiculed the audience for inviting a former slave to speak at a celebration of the country who enslaved him. "This Fourth [of] July is yours, not mine," he famously said to those in attendance. "Do you mean, citizens, to mock me, by asking me to speak to-day?" Douglass refused to celebrate the holiday until all slaves were emancipated and laws like the Compromise of 1850, which required citizens (including northerners) to return runaway slaves to their owners, were negated.

9. He recruited black soldiers for the Civil War.

The Union attack on Fort Wagner, Charleston, during the American Civil War. The fort was under attack from July 18 to September 7, 1863, by soldiers including the 54th Massachusetts Volunteer Infantry, the first African-American regiment in the U.S. Army.
The Union attack on Fort Wagner, Charleston, during the American Civil War. The fort was under attack from July 18 to September 7, 1863, by soldiers including the 54th Massachusetts Volunteer Infantry, the first African-American regiment in the U.S. Army.
Hulton Archive, Getty Images

Douglass was a famous abolitionist by the time the war began in 1861. He actively petitioned President Lincoln to allow black troops in the Union army, writing in his newspaper: "Let the slaves and free colored people be called into service, and formed into a liberating army, to march into the South and raise the banner of Emancipation among the slaves." After Lincoln signed the Emancipation Proclamation, Douglass worked tirelessly to enlist black soldiers, and two of his sons would join the 54th Massachusetts Regiment, famous for its contributions in the brutal battle of Fort Wagner.

10. He served under five presidents.

Later in life, Douglass became more of a statesman, serving in highly appointed federal positions, including U.S. Marshal for D.C., Recorder of Deeds for D.C., and Minister Resident and Consul General to Haiti. Rutherford B. Hayes was the first to appoint Douglass to a position in 1877, and Presidents Garfield, Arthur, Cleveland, and Benjamin Harrison each sought his counsel in various positions as well.

11. He was nominated for Vice President of the United States.

As part of the Equal Rights Party ticket in 1872, Douglass was nominated as a VP candidate, with Victoria Woodhull as the Presidential candidate. (Woodhull was the first-ever female presidential candidate, which is why Hillary Clinton was called "the first female presidential candidate from a major party" during the 2016 election.) However, the nomination was made without his consent, and Douglass never acknowledged it (and Woodhull's candidacy itself is controversial because she wouldn't have been old enough to be president on Inauguration Day). Also, though he was never a presidential candidate, he did receive one vote at each of two nomination conventions.

12. His second marriage caused controversy.

Frederick Douglass with Helen Pitts Douglass (seated, right) and her sister Eva Pitts (standing, center), circa the 1880s.
Frederick Douglass with Helen Pitts Douglass (seated, right) and her sister Eva Pitts (standing, center), circa the 1880s.

Two years after his first wife, Anna, died of a stroke in 1882, Douglass married Helen Pitts, a white abolitionist and feminist who was 20 years younger than him. Even though she was the daughter of an abolitionist, Pitts's family (which had ancestral ties directly to the Mayflower) disapproved and disowned her—showing just how taboo interracial marriage was at the time. The black community also questioned why their most prominent spokesperson chose to marry a white woman, regardless of her politics. But despite the public's and their families' reaction, the Douglasses had a happy marriage and were together until his death in 1895 of a heart attack.

13. After early success, his Narrative went out of print.

Narrative of the Life of Frederick Douglass, An American Slave, Written by Himself, his seminal autobiography, was heralded a success when it came out in 1845, with some estimating that 5000 copies sold in the first few months; the book was also popular in Ireland and Britain. But post-Civil War, as the country moved toward reconciliation and slave narratives fell out favor, the book went out of print. The first modern publication appeared in 1960—during another important era for the fight for civil rights. It is now available for free online.

This article originally ran in 2018.

The 15 Best Documentaries on Netflix Right Now

A still from Ava DuVernay's 13th (2016)
A still from Ava DuVernay's 13th (2016)
Netflix

Truth is not only stranger than fiction, it’s frequently more entertaining. Thanks to the Netflix acquisition team, the streaming service offers hundreds of documentaries that chronicle everything from riveting tales of true crime to stories about bare-knuckle fighters and custody battles over amputated legs. To help you sort through their formidable selection, we’ve selected 15 films currently streaming that will either make your jaw drop, bring a tear to your eye, or both.

1. Finders Keepers (2015)

If an appendage is removed from your body, are you still its lawful owner? That’s the question posed by this irreverent investigation of Shannon Whisnant, a junk trader who successfully bids on a storage locker and discovers the mummified remains of a severed leg. The stump once belonged to John Wood, a man injured in a plane crash. When his leg was amputated as a result, he decided to keep it as a memento, storing it in a grill inside the locker. The argument over who has rightful possession of this fleshy trophy is at the center of the film, which sees the men try to resolve their differences in a variety of ways, including an appearance on Judge Mathis.

2. Long Shot (2017)

Juan Catalan is that most compelling of true crime clichés: an innocent man being railroaded for a murder he didn’t commit. With law enforcement dismissing his alibi, his lawyers make a last-ditch effort to prove that Catalan was at a Los Angeles Dodgers game at the time of the assault. How they do that—and which famous comic actor plays a role—is best left to discover on your own.

3. Gringo: The Dangerous Life of John McAfee (2016)

Anti-virus software tycoon John McAfee was one of the internet’s biggest success stories. Flush with money, power, and a desire to reinvent himself, McAfee relocated to Belize, where his story began to take on echoes of Marlon Brando’s Colonel Kurtz in Apocalypse Now. When all of McAfee’s whims are tended to by locals, questions over a neighbor’s murder take on sinister connotations. Michael Keaton is set to play McAfee in a feature film version.

4. Brother’s Keeper (1992)

The bonds of brotherhood are explored in this arresting feature about siblings Delbert, Roscoe, and Lyman Ward, farmers in upstate New York who close ranks when police begin to suspect one of them murdered their other brother, William.

5. Jim & Andy: The Great Beyond (2017)

When Jim Carrey stepped into the role of the late comedian Andy Kaufman for director Milos Forman’s 1999 biopic Man on the Moon, he didn’t so much imitate Kaufman as become him. That process was documented in behind-the-scenes footage that was buried in studio vaults for years and revealed here for the first time. Executives feared people would consider Carrey—who alternately charms and antagonizes people on the set by never behaving as “Jim”—as being exceptionally difficult to work with. Perhaps, but Carrey’s modern-day reflections on inhabiting the eccentric Kaufman even when the film cameras weren’t rolling are a fascinating study of both the performer’s commitment and the nature of identity.

6. Amanda Knox (2016)

College student Amanda Knox seized headlines in 2007 and beyond for being the prime suspect in the murder of fellow student and roommate Meredith Kercher while both were studying in Perugia, Italy. The competency and motives of Italian police are examined in this documentary, which features the first time Knox has spoken at length about her trials (yes, there was more than one) and struggles in a foreign justice system. Plenty of ink was spilled in the American media over her suspected guilt: Knox’s unflinching stare into the camera as she tells her side of the story will likely persuade you to think otherwise.

7. Fyre: The Greatest Party That Never Happened (2019)

Sun. Models. Booze. Would-be mogul Billy McFarland promised a lot and delivered little more than cold cheese sandwiches in his 2017 music festival debacle, which collected a small fortune in admission and ancillary profits and then wound up leaving hundreds of guests stranded on an island to fend for themselves. Pairing Netflix’s examination of the debacle and its fallout with Hulu’s Fyre Fraud makes for a fine double feature (even if you might be left with more questions than answers).

8. The Power of Grayskull: The Definitive History of He-Man and the Masters of the Universe (2017)

Toy and nostalgia fans will get a kick out of this rewind to the early 1980s, when Mattel’s He-Man dominated retail stores and syndicated television. The feature examines the toy line’s origins—which involved dueling toy designers and a failed attempt to secure a Conan license—and its later incarnation as a low-budget 1987 movie. (Yes, Dolph Lundgren makes an appearance.)

9. 13th (2016)

Director Ava DuVernay delivers a powerful (and Oscar-nominated) indictment of the U.S. justice system and takes a closer look at how incarceration and sentencing feeds into widespread inequality. Peering through DuVernay’s lens, viewers may feel the scales of justice are tipped in favor of privatized and profiteering prisons.

10. Icarus (2017)

The cat-and-mouse game between drug testing agencies and cheating athletes is put under a microscope in director Bryan Fogel’s Oscar-winning documentary, which uncovers the lengths competitors will go to in order to push past their physical limits. As Fogel digs deeper into the world of pro cycling and its high-ranking political influences, you may discover that drugs are so pervasive that athletes aren’t necessarily looking to cheat—they’re simply looking to even the playing field.

11. Senna (2010)

Sports documentaries don’t come much better than this portrait of Ayrton Senna, a Brazilian Formula One racer who became a national hero for his obsessive commitment to being the best. That passion conflicts with the inherent danger of his sport, which undergoes a technological metamorphosis in the 1980s and 1990s that threatens the safety of drivers. Those risks are on display in the film’s kinetic, heart-in-throat race sequences.

12. The Seven Five (2014)

There are bad cops, there are dirty cops, and then there’s Mike Dowd, a Brooklyn officer who used his badge to siphon money from criminals and exploit the very community he was charged with protecting. Dowd’s downfall ushered in one of the biggest police corruption scandals of the 1990s. The film features Dowd’s unabashed account of his dirty deeds.

13. Voyeur (2017)

Acclaimed journalist Gay Talese stumbles upon what he thinks is the story of a lifetime: A Colorado motel owner named Gerald Foos who modified his guest rooms so he could spy on his occupants. Not all of Foos’s recollections of his voyeur’s playground hold up to scrutiny, and the film sometimes wonders who’s really in control of the narrative—the directors, Talese, or the enigmatic Foos.

14. The Battered Bastards of Baseball (2014)

In the 1970s, Kurt Russell’s father, Bing Russell, started a rogue minor league baseball team, the Portland Mavericks. Playing without any Major League affiliation, the ragtag team barnstormed their way through several seasons, with an electric group of MLB castoffs making up the roster. It’s a fun look at a group that rivals the Bad News Bears in dropping the ball.

15. Dawg Fight (2015)

Florida native Dhafir “Dada5000” Harris tries to keep gangs and drugs from destroying his neighborhood by hosting a series of bare-knuckle fighting events in his mother’s backyard. The action is raw, but Harris’s intentions are pure. In orchestrating violence rather than letting it explode on the streets, Harris provides an outlet for young men to find some peace.

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