Stranger danger

What is the deadliest animal on the planet? The answer will shock you!


Published on May 30, 2025


Image: GEORGE DESIPRIS

When we think of the most dangerous species of the animal kingdom, the first things that come to mind are snakes, sharks, and crocodiles. While these animals are sometimes lethal to humans, others are even more so. Read on to discover 12 of the world's most terrifying animals. Some of them will probably shock you!

1

Hippos

Image: Chris Stenger

Hippos can be as adorable as they are dangerous. They love water and spend up to two-thirds of their day submerged in rivers and swamps in central and southern sub-Saharan Africa. But behind that gentle, easy-going image lies one of the most aggressive species —even more so than lions and rhinos— killing up to 500 people a year.

With long tusks, strong jaws, and a weight that can reach 5,000 lb, they do not hesitate to confront any species when it comes to guarding their territory. Although they may seem somewhat lazy, they are fast, strong, and territorial. So be respectful and do not disturb their habitat!

2

Snakes

Image: Peter Bartel

There are many dangerous snakes in the world, but the one you should be more cautious about is the Taipan. The inland Taipan, a species endemic to Australia and New Guinea, has the most lethal toxins, and its bite can kill a person in just 45 minutes. Fortunately, there is an antidote to counteract its venom!

This species and others as dangerous as the Black Mamba and the King Cobra are responsible for the death of no less than 80,000 to 130,000 people per year globally.

3

Sharks

Image: Gerald Schömbs

There are more than 350 species of sharks, but only three are responsible for the highest percentage of attacks on humans: the great white shark, the tiger shark, and the bull shark. Although sharks are dangerous, they are not the most lethal animal for humans. In the last century, there has been an average of only 6 fatal attacks per year, with Australia having the highest number of incidents.

As a matter of fact, despite their reputation as vicious predators in movies, they are often the victims. Sharks are heavily hunted for their skin, fins, meat, and even their organs.

4

Scorpions

Image: Andrey Tikhonovskiy

This predatory arachnid arthropod is another of the most dangerous animals for humans: it kills approximately 5,000 people per year worldwide. Scorpions can live in a variety of habitats, from deserts to urban areas, and it’s common to find them under rocks, in crevices, or in construction debris.

However, of the more than 1,000 venomous scorpion species, only about 25 can be deadly to humans. The most venomous scorpion is the thick-tailed scorpion, responsible for 90% of the deaths caused by scorpion attacks in Africa.

5

Bees

Image: Gary Yost

In general, bees aren’t violent, but they should be treated with the utmost respect and care since they tend to act in self-defense. When they sting, they can cause anything from a minor injury to acute poisoning if the attack occurs on a person allergic to their venom.

The Apis mellifera scutellata (Africanized honey bee) are among the most fearsome because they act in swarms: although they attack only if provoked, their defense mechanism is so aggressive that they do not stop until they catch and sometimes kill their prey. In the United States alone, between 50 and 100 people die each year as victims of bee attacks.

6

Lions

Image: Amar Yashlaha

Despite being carnivores and eating any animal they come across to satisfy their hunger, they kill far fewer people in the world than one might expect. In Tanzania, the birthplace of the African lion, about 22 humans die each year attacked by these animals and it is estimated that there are no more than 100 victims worldwide.

Not that lions are not to be feared: they attack in groups, are capable of running at a speed of 46.0 mph, and can digest 66 lb of meat in a single meal with their sharp teeth and particular claws. So, beware!

7

Jellyfish

Image: Mathieu CHIRICO

Although it’s not in their nature to attack their prey, jellyfish can be dangerous to humans. If you accidentally touch one while swimming, you will be stung and its tentacles will immediately release venom, in many cases even if the animal is dead.

Some species, such as the box jellyfish —found in Australia, the Philippines, and other tropical areas—, are the most lethal. They send out toxic stingers capable of stopping a person's heart in less than five minutes. Jellyfish stings affect hundreds of thousands of humans globally, and numbers indicate that up to 100 of those are fatal. Believe it or not, the smallest are the most poisonous!

8

Spiders

Image: Wyxina Tresse

Like most animals, spiders will attack only if they feel in danger. If they bite, many pose no threat to humans other than mild swelling or a rash. Others, however, carry deadly venom, such as the Brown Widow, the Red Widow, the Redback, and the Funnel-web spiders.

Fortunately, there are effective antidotes for almost all spider bites. Yet, at least 50 people die worldwide each year, 7 of them in the United States.

9

Crocodiles

Image: Jen Palmer

These ancient animals are the largest reptiles in the world —they can be up to 20 feet long and weigh over 2,200 lbs. Their powerful jaws and high-action speed make them terrifying to their prey, including humans.

The most dangerous are the saltwater species, abundant in swampy areas of Southeast Asia, northern Australia, and Africa. Saltwater crocodiles are responsible for at least 1,000 deaths annually, the highest number of victims for a large animal.

10

Ants

Image: Yanuka Deneth

Did you know that there is a species of ant that releases a poison even more powerful than arsenic or cyanide? The bulldog ant, considered the most dangerous ant in the world, is solitary and aggressive. It lives in parts of Australia, and if it feels threatened, it can cling to its prey with its jaws and sting simultaneously, killing an adult in just 15 minutes.

Another ant to watch out for is the Siafu ant, also known as the army ant. Known for having larger mandibles than most insects of its size, it is found in West Africa and the Congo. This species of ant attacks in groups and can devour an animal a thousand times bigger than their size.

11

Dogs

Image: Devon Janse van Rensburg

Although it may sound strange, man's best friend is the third-deadliest animal to humans. While deaths from dog attacks are uncommon, a bite from these animals can transmit a lethal disease.

According to the World Health Organization (WHO), 59,000 people die each year worldwide from rabies —95% of them in Asia and Africa— a virus transmitted by the saliva of unvaccinated dogs.

12

Mosquitoes

Image: National Institute of Allergy and Infectious Diseases

When you think of the most lethal animal to humans, what comes to mind? Perhaps a shark or any of the venomous creatures listed in this article, such as snakes and scorpions. Well, you’d be wrong. According to the U.S. Centers for Disease Control and Prevention (CDC), the animal that threatens human life the most is none other than the mosquito.

Yes, this slender, long-legged little insect, whose buzzing sound is one of the most annoying sounds in the world, is the deadliest animal on the planet. Why? Because mosquitoes are vectors of many dangerous diseases, such as malaria and dengue fever. According to the WHO, mosquito-borne diseases cause some 700,000 deaths a year.


Holy Grails & Fountains of Youth: 10 gripping medieval legends


Published on May 30, 2025


Image: Émile Signol, Public domain, via Wikimedia Commons

Before dark web conspiracy theories, people had the tavern. Information in the Middle Ages traveled slowly, mutating with every retelling. What we now call urban legends back then were terrifying theological myths that thousands accepted as facts. Discover ten of the most famous medieval legends that shaped the worldview of Europe for centuries.

1

Pope Joan

Image: kladcat, CC BY 2.0, via Wikimedia Commons

In the mid-13th century, there was a rumor that a woman had successfully disguised herself as a man, climbed the ranks of the Catholic Church, and reigned as Pope for several years in the 9th century.

According to the legend, John Anglicus was in fact an exceptionally brilliant English woman who mastered theology. Her secret was supposedly uncovered during a papal procession through Rome, when she went into sudden labor and gave birth right in the middle of the street. While modern historians believe the story is just satire or folklore, it was widely accepted as historical truth during the late Middle Ages.

2

Robin Hood

Image: CrookshanksPhotography

The urban legend of a noble outlaw who outsmarted the corrupt sheriff of Nottingham and stole from the rich to give to the poor began circulating in oral ballads around the 14th century.

Modern audiences know him as a cheerful hero in green tights, but early medieval versions of Robin were much grittier, violent, and anti-clerical. Historians have spent centuries looking through court records trying to find a definitive Robin Hood. Most conclude he was a complex figure, the medieval manifestation of rebellion against an unfair system.

3

The Holy Grail

Image: Rapha Soeiro

Originating in the late 12th century through the French romances of Chrétien de Troyes, the Grail was described as the sacred chalice used by Jesus Christ at the Last Supper, and later used to collect his blood during the Crucifixion.

The legend claimed that this vessel possessed miraculous healing powers, granted eternal youth, and provided infinite food. It became an obsession across Western Europe. Knights and nobles genuinely believed the Grail was hidden somewhere in a secluded castle, waiting for a perfectly pure warrior to find it.

4

King Arthur

Image: Melnikov Dmitriy

Did a heroic king once rule Britain from a golden castle called Camelot, surrounded by a Round Table of knights? The legend of Arthur was popularized in the 1130s by Geoffrey of Monmouth’s History of the Kings of Britain, a mixture of vague fragments of real 5th-century Celtic warlords and doses of pure fiction.

Arthur became the gold standard for medieval chivalry. The urban legend expanded to include his magical sword Excalibur, the wizard Merlin, and the tragic betrayal by his queen, Guinevere. The myth was so powerful that English monarchs, including Edward I, used Arthurian imagery to legitimize their rule, even claiming to have discovered Arthur’s tomb at Glastonbury Abbey in 1191.

5

Fountain of Youth

Image: Lucas Cranach the Elder, CC BY-SA 4.0, via Wikimedia Commons

The idea of a magical spring capable of reversing aging and curing all sickness is an ancient one, but it became a dominant urban legend during the Middle Ages. The myth was blown up by the Alexander Romance, a fictionalized collection of stories about Alexander the Great that circulated in Europe at the time.

According to these tales, Alexander and his armies searched for the "Water of Life" on the outer edges of the known world. Medieval travelers and mapmakers speculated that this fountain existed somewhere in India or the mythical lands of the East. This legend laid the groundwork that, centuries later, would drive Spanish explorers like Juan Ponce de León to hunt for it in the Americas.

6

Incubus and Succubus

Image: Vincenz Georg Kininger, Public domain, via Wikimedia Commons

Medieval life was deeply preoccupied with sin, demonic temptation, and the supernatural. When people experienced terrifying nightmares or sleep paralysis, they didn’t have modern psychology to explain it. Instead, they blamed the incubus and succubus.

An incubus was a male demon believed to prey upon sleeping women, while a succubus was a female demon that seduced men. These entities weren’t just folklore, they appeared in serious medieval theological texts. Church scholars even argued about how these demons operated, warning that they could steal human material to create monstrous offspring.

7

The Ten Lost Tribes of Israel

Image: Abraham Bar Yaaqov, Public domain, via Wikimedia Commons

Following the Assyrian conquest of the Kingdom of Israel in the 8th century BCE, ten of the twelve Jewish tribes vanished from the biblical narrative. In the Middle Ages, this historical mystery became a geopolitical urban legend.

European Christians and Jews alike shared the thought that the Ten Lost Tribes were living out past the edges of the mapped world. They were said to be trapped behind the mythical Sambation River, a river made of stones and sand that only stopped flowing on the Sabbath. A major component of this legend was the fear or hope that these millions of hidden warriors would one day cross the river.

8

The Wandering Jew

Image: National Library of Poland, Public domain, via Wikimedia Commons

The Wandering Jew is one of the most tragic urban legends of the time, first appearing in written European chronicles around the 13th century. The story goes that a Jewish shoemaker or guardsman named Cartaphilus (or Ahasuerus in later versions) taunted Jesus as he carried his cross to Calvary, telling him to hurry up. Jesus supposedly replied: "I am going, but you will wait until I return."

As a result, the man was cursed with immortality and doomed to walk the earth without rest until the Second Coming of Christ. Throughout the Middle Ages, people across Europe claimed to have met this sorrowful traveler, describing him as a knowledgeable man who spoke every language.

9

The Children’s Crusade

Image: Internet Archive Book Images, No restrictions, via Wikimedia Commons

In the year 1212, a wave of religious hysteria swept through France and Germany. The resulting story became one of the most heartbreaking urban legends of the era: the Children’s Crusade. The popular tale stated that thousands of unarmed children, inspired by visions, marched toward the Mediterranean Sea, believing the waters would part for them so they could peacefully reclaim Jerusalem. When the sea failed to part, corrupt merchants supposedly loaded them onto ships and sold them into slavery in North Africa.

10

Prester John

Image: Ong Khan, Public domain, via Wikimedia Commons

Beginning in the mid-12th century, rumors spread of Prester John, a wealthy Christian king who ruled a utopian empire somewhere in the heart of Asia or Africa.

The legend reached a peak when a forged letter, supposedly written by Prester John himself, circulated among European monarchs. The letter described a kingdom with rivers filled with gold, the Fountain of Youth, and a mirror through which the king could see his entire empire. During the Crusades, European armies hoped that Prester John’s legions would march from the East to save them.

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succor

/ˈsəkər/