You probably didn't know these 10 fruits and veggies are human inventions

Have you ever seen a wild tomato plant? Or, for example, have you ever found a watermelon lying around while hiking in nature? Probably not, and that's because many of the fruits and vegetables we eat every day are actually the result of human intervention. Long before microscopes or modern labs, early farmers patiently cultivated and domesticated wild plants, transforming them into the tasty, colorful, and juicy produce we are fortunate to enjoy today. If you would like to learn about the ancestors of your favorite fruits and vegetables, keep reading!

The carrot’s journey is less about sudden leaps and more about quiet persistence. Long ago, what grew underground was pale and stringy, closer to a wild weed than a vegetable. Farmers began to notice small differences—one root with a hint of sweetness, another with a faint wash of color—and held on to the seeds for the next season. After countless rounds of planting and patience, the root slowly changed shape and character. From those fragile beginnings came the crisp, orange carrots that now symbolize healthy eating around the world.

The name gives away its past. Early varieties of eggplant often looked like eggs—round, white, and sometimes speckled yellow. Others were squat and thorny, hardly inviting to harvest. As the plant traveled from India across Asia and into Europe, it evolved. Farmers in each region favored different traits, nudging its size, flavor, and color in new directions. Centuries later, the odd little fruits had been reinvented as the glossy purple globes that now fill market shelves, a far cry from their humble, egg-like beginnings.

Few crops show human intervention as clearly as the banana. Its wild ancestors were filled with large, stony seeds, making them far from snack-friendly. At some point, farmers stumbled upon rare hybrids that produced softer, sweeter fruit with fewer seeds. Instead of letting chance decide, they took control—propagating the plant by cuttings so its desirable traits could be preserved. That decision reshaped the banana forever. Today’s Cavendish, cloned endlessly from those early discoveries, feels less like an accident of nature and more like a fruit designed for our hands.

Long before they became the stars of spaghetti sauce or the perfect partner for mozzarella, tomatoes were tiny things no larger than peas. In their wild state, they grew in South America as small, hard, sour fruits, usually yellow or green in color. Hardly resembling the juicy red fruits we pile onto burgers today. But farmers saw potential in those little berries. By saving and replanting the plumpest and tastiest ones, they gradually transformed the tomato into a whole family of varieties: from sweet little cherry tomatoes to the hefty beefsteaks that can fill an entire sandwich. Every slice we eat traces back to that humble, pea-sized ancestor.

The first watermelons weren’t sweet at all. In the deserts of ancient Egypt, they were valued as natural canteens—hard, pale-green shells holding bitter but lifesaving water. For centuries, that was enough. Then farmers noticed that some fruits had a hint of sweetness. By saving those seeds, harvest after harvest, they slowly achieved a juicier, brighter flesh. Bitterness faded, red pulp emerged, and the survival fruit became a symbol of summer pleasure, shared in chilled slices at family tables and picnics.

Papayas are great: big, hearty, sweet. But you might not believe what they were like centuries ago. Their story begins humbly, with berries no bigger than plums growing wild in the tropics. Around 4,000 years ago, the Maya civilization recognized their promise. Season after season, they saved seeds from plants that offered sweeter flesh and sturdier growth. Gently but surely, the fruit started to stretch beyond its original possibilities. What was once small and unremarkable became the luscious, generous, and golden-orange fruit we all love today.

The story of corn begins not with golden fields but with teosinte, a scraggly grass with finger-sized ears and just a few rock-hard kernels. By no means a feast, more like survival food. Yet early farmers in Central America saw promise. They saved seeds from plants with plumper grains, season after season. Over time, the ears lengthened, kernels softened, and the wild grass transformed. What began as meager and tough became modern corn: sweet, versatile, and so abundant that it now sustains people, animals, and industries worldwide.

Peaches weren’t always the lush, blushing fruits we sink our teeth into today. In their earliest form, they were tiny—no bigger than cherries—with thick pits and only a whisper of edible flesh. But in ancient China, patient farmers looked past their modest size. They saved the trees that bore slightly sweeter, fuller fruit, slowly bending nature toward abundance. What emerged over centuries was a transformation so complete that peaches became almost unrecognizable: velvety skins, golden flesh, and juice that drips down your chin.

Avocados weren’t always bound to our kitchens and brunch plates. In fact, their very survival once depended on creatures that no longer walk the Earth. Millions of years ago, giant sloths and other prehistoric beasts gulped them down whole, massive seed and all, scattering future trees in their wake. When those colossal gardeners went extinct, the avocado seemed doomed. Yet humans noticed the fruit’s potential. By planting, tending, and selectively nurturing trees, they carried the species forward. Over time, those efforts smoothed out the avocado’s rough edges, turning a wild, fibrous oddity into the buttery green treasure we now mash, slice, and spread with delight.

The first pumpkins were far from festive. Early farmers had to look beyond those small, bitter berries with thick skins to find something worth growing. Over generations of careful selection, they transformed green, largely inedible gourds into the versatile and tasty produce we enjoy today. And that’s not all! Pumpkins also became icons of harvest and tradition—carved, baked, and piled high as bright emblems of autumn.

Why you shouldn't walk under a ladder — and other superstitions explained

Image: Raquel Pedrotti

Superstitions have shaped human behavior for centuries, often rooted in ancient beliefs, religious practices, or sheer coincidence. From knocking on wood to avoiding black cats, even today, these curious traditions persist across cultures. But where did they come from? Here are 12 common superstitions and the fascinating origins behind them.

Image: Alexey Demidov

This practice dates back to ancient pagan traditions, where trees were believed to house spirits. Knocking was a way to summon their protection or avoid tempting fate.

Over time, the superstition spread across cultures, and early Christians adapted it as a reference to the wood of the cross for divine protection. Today, people still "knock on wood" after making a hopeful statement to ward off bad luck.

Image: Savannah B.

Ancient Romans believed mirrors reflected the soul. Breaking one was thought to damage the soul, which would take seven years to renew.

This idea was reinforced in the Middle Ages, when mirrors became expensive. Breaking one was not only a spiritual concern but also a financial burden, and the superstition likely served as a warning to handle them with care.

Image: Waldemar

The fear of the number 13 stems from Norse and Christian traditions, with an unlucky 13th guest believed to bring misfortune. Friday was also linked to Jesus’ crucifixion.

The superstition intensified in the 20th century through pop culture references, leading to widespread fear. Many buildings and airlines even avoid labeling a 13th floor or row.

Image: Jilbert Ebrahimi

Ancient Egyptians saw ladders as sacred symbols, forming a triangle with the ground. Walking through one was believed to anger the gods.

During the Middle Ages, ladders were associated with gallows, creating a connection with death. The belief persists today, reinforced by the obvious danger of a ladder toppling.

Image: Tatiana Zanon

In medieval Europe, black cats were linked to witches, believed to be their familiars—or even witches in disguise—and crossing paths with one was thought to bring misfortune.

However, this wasn’t true everywhere. In ancient Egypt, black cats were especially revered, and today they are considered lucky in some cultures, particularly in Japan and Scotland.

Image: Trent Haaland

In Victorian England, umbrellas with spring mechanisms could accidentally injure people indoors, making this superstition more about a real hazard than a "bad omen."

A deeper origin may stem from ancient Egypt, where parasols were used to shield pharaohs from the sun. Opening one indoors was thought to offend the sun god Ra.

Image: Emmy Smith

Salt was a valuable commodity in ancient times, sometimes even used as currency. Spilling it was considered wasteful and unlucky.

Leonardo da Vinci’s The Last Supper depicts Judas spilling salt, reinforcing its association with betrayal and misfortune. As a countermeasure, tossing salt over the left shoulder was thought to blind evil spirits.

Image: Virgil Cayasa

The Romans believed water had sacred properties, and tossing a coin into a fountain was an offering to the gods for good fortune.

The Trevi Fountain in Rome helped popularize the tradition. Today, millions of coins are thrown into fountains worldwide, with many places donating the collected money to charity.

Image: Matt Benson

The horseshoe’s luck stems from iron’s historical association with warding off evil spirits and fairies. The shape also resembles a crescent moon, a symbol of protection.

In part, the association with the supernatural stemmed from the fact that blacksmiths were highly respected in medieval Europe, and their complex craft was seen by many as nearly magical.

Image: Dayne Topkin

This tradition likely originated with early Christians, who used finger gestures to invoke divine protection and ward off evil.

Over time, the practice became a general symbol of good luck, with people crossing their fingers for positive outcomes—or even to excuse small lies.

Image: Luis Villasmil

This rhyme originated in the 19th century as a playful warning to children, with no real historical basis.

However, cracks in sidewalks were sometimes linked to supernatural beliefs, with some cultures fearing they could allow evil spirits to escape from the underworld.

Image: mohammad hosein safaei

According to one theory, Pope Gregory I promoted saying "God bless you" during the bubonic plague to protect against disease, and the phrase stuck.

Another possible origin comes from ancient Rome, where sneezing was thought to temporarily expel the soul, making a blessing necessary for protection.