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What building technique makes skyscrapers sway safely?

Flexible joints

Tuned mass dampers

Wind tunnels

Foundation springs

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Did You Know There Are Over 7,500 Types of Apples?

Did You Know There Are Over 7,500 Types of Apples?

⏱️ 7 min read

When most people think of apples, they typically imagine a handful of common varieties available at their local grocery store—perhaps Red Delicious, Granny Smith, or Honeycrisp. However, the world of apples extends far beyond these familiar faces. The incredible diversity of apple cultivars spans the globe, with over 7,500 distinct varieties grown worldwide. This remarkable variety represents centuries of cultivation, natural adaptation, and human innovation in agriculture. Each variety offers unique characteristics in terms of flavor, texture, color, and culinary application, making apples one of the most versatile and diverse fruits in existence.

The Fascinating World of Apple Diversity

1. Ancient Origins Dating Back Thousands of Years

The apple's journey began in the mountains of Kazakhstan, where wild apple forests still exist today. The scientific name for the domestic apple, Malus domestica, evolved from its wild ancestor Malus sieversii approximately 4,000 to 10,000 years ago. These wild apples were carried along the Silk Road by travelers, where they cross-pollinated with other wild apple species, creating genetic diversity that laid the foundation for thousands of varieties. Archaeological evidence suggests that humans have been selecting and cultivating apples since at least 6,500 BCE, making it one of humanity's oldest horticultural pursuits. This long history of cultivation across diverse climates and regions has contributed significantly to the extraordinary number of varieties we have today.

2. The United States Houses Over 2,500 Varieties

While 7,500 varieties exist worldwide, the United States alone boasts more than 2,500 apple varieties, though only about 100 are grown commercially. Many heritage and heirloom varieties have been preserved through the efforts of dedicated orchardists and organizations like the Temperate Orchard Conservancy and the USDA's National Plant Germplasm System. Historic American varieties such as the Baldwin, Northern Spy, and Roxbury Russet tell the story of American agriculture and regional taste preferences. Each state developed varieties suited to its climate and soil conditions, resulting in apples with names reflecting their geographic origins, such as Arkansas Black, Rhode Island Greening, and Winesap. This regional diversity created a rich tapestry of flavors and characteristics adapted to local growing conditions and culinary traditions.

3. Color Variations Beyond Red and Green

Apples showcase an impressive spectrum of colors that extends well beyond the typical red and green varieties found in supermarkets. Apple skin colors range from pale yellow and golden to deep purple, burgundy, and even varieties with striped or mottled patterns. The Hidden Rose apple surprises consumers with bright pink flesh beneath its pale yellow skin, while the Black Diamond apple from Tibet displays a deep, dark purple that appears almost black. Some varieties feature russeting—a rough, brownish texture on the skin—as seen in the Roxbury Russet and Golden Russet varieties. The flesh color also varies, with most apples displaying white to cream-colored flesh, though some heritage varieties and newer cultivars feature pink, red, or even yellow flesh. These color variations result from different combinations of anthocyanins, carotenoids, and other pigments, each contributing to the apple's nutritional profile and visual appeal.

4. Flavor Profiles from Sweet to Intensely Tart

The flavor diversity among apple varieties is extraordinary, ranging from intensely sweet to mouth-puckeringly tart, with countless subtle variations in between. Some apples, like the Fuji and Gala, offer high sugar content with mild acidity, creating a candy-like sweetness that appeals to those who prefer dessert-like fruit. Conversely, varieties such as the Granny Smith and Bramley provide sharp acidity perfect for baking and cooking, as their tartness balances the sweetness added in recipes. Between these extremes lie complex flavor profiles featuring notes of honey, vanilla, citrus, berry, pear, melon, and even wine-like characteristics. The Honeycrisp delivers a balanced sweet-tart flavor with exceptional crispness, while the Cox's Orange Pippin offers aromatic, slightly spicy notes reminiscent of pear. The Ashmead's Kernel, a heritage variety, provides an unusual combination of acidic tang with hints of pear drops and effervescence. These diverse flavor profiles mean there's truly an apple variety for every palate and culinary purpose.

5. Specialized Uses from Cider to Cooking

Different apple varieties excel in specific culinary applications, with some bred specifically for fresh eating, others for baking, and still others for cider production. Cider apples, popular in England and increasingly in American craft cideries, contain higher tannin levels that would make them unpleasant for fresh eating but create complex, full-bodied beverages. Varieties like Dabinett, Kingston Black, and Yarlington Mill fall into categories such as bittersweet, bittersharp, and sharp based on their tannin and acid content. Cooking apples, such as the Bramley's Seedling, break down into a fluffy purée when heated, making them ideal for applesauce and pie fillings. Firm apples like Northern Spy and Granny Smith hold their shape during cooking, perfect for tarts and baked apple dishes. Fresh eating apples prioritize crisp texture and balanced sweetness, while storage apples are selected for their ability to maintain quality for months in proper conditions. This specialization demonstrates how breeders have developed varieties for virtually every conceivable use.

6. Climate-Specific Varieties for Every Region

Apple varieties have been developed to thrive in diverse climates, from cool northern regions to warmer southern areas, making apple cultivation possible across a broad geographic range. Cold-hardy varieties like Haralson, Prairie Spy, and Wealthy were developed specifically for northern climates where temperatures regularly drop below freezing, with some tolerating temperatures as low as -40°F. These varieties require sufficient chill hours—periods of cold temperature during dormancy—to properly set fruit. Conversely, low-chill varieties such as Anna, Dorsett Golden, and Ein Shemer were bred for subtropical and tropical climates where traditional apple varieties cannot accumulate adequate chill hours. Disease resistance also varies by variety, with some showing strong resistance to common apple diseases like apple scab, fire blight, and powdery mildew, making them ideal for organic cultivation or regions where these diseases are prevalent. This climate adaptability has allowed apples to become one of the most widely cultivated fruits globally, grown on every continent except Antarctica.

7. Modern Breeding Creates New Varieties Continuously

The number of apple varieties continues to grow as modern breeding programs develop new cultivars combining desirable traits from existing varieties. University research programs, private breeders, and international collaborations work to create apples with improved flavor, texture, disease resistance, storage capabilities, and growing characteristics. The development process typically takes 15-20 years from initial cross-pollination to commercial release, as breeders must grow seedlings to maturity, evaluate their characteristics, and test them across multiple growing seasons and locations. Recent successful introductions include the Cosmic Crisp, developed by Washington State University over 20 years, which combines the texture of Honeycrisp with the storage ability of Enterprise. SweeTango, EverCrisp, and SnapDragon represent other modern varieties gaining commercial success. Breeders now use genetic markers and advanced selection techniques to accelerate the breeding process while focusing on traits that matter to both growers and consumers, including climate resilience, reduced pesticide requirements, and exceptional eating quality. This ongoing innovation ensures that the number of apple varieties will continue expanding, offering even more options for future generations.

Conclusion

The existence of over 7,500 apple varieties represents humanity's long relationship with this remarkable fruit and our continued efforts to develop improved cultivars. From ancient origins in Kazakhstan to modern breeding programs, apples have diversified into an astounding array of colors, flavors, and specialized uses. Whether grown in cold northern climates or subtropical regions, used for fresh eating, cider making, or cooking, there exists an apple variety perfectly suited to nearly every purpose and preference. While most consumers encounter only a fraction of this diversity in their local stores, exploring heritage varieties at farmers' markets, specialty orchards, and through home cultivation reveals the true breadth of apple possibilities. This incredible diversity not only enriches our culinary experiences but also provides genetic resources essential for developing future varieties that can adapt to changing climates and evolving consumer preferences, ensuring that apples remain a beloved fruit for generations to come.

Did You Know? 12 Strange Traditions Around the World

Did You Know? 12 Strange Traditions Around the World

⏱️ 7 min read

Every culture around the world has developed unique traditions that reflect their values, beliefs, and history. While some customs may seem perfectly normal to those who practice them, they can appear remarkably unusual to outsiders. From fertility rituals to coming-of-age ceremonies, these fascinating traditions offer a window into the diverse ways human societies celebrate, mourn, and mark important milestones. Here are twelve extraordinary traditions from across the globe that showcase the rich tapestry of human culture.

Ancient Customs and Cultural Practices

1. Baby Jumping Festival in Spain

In the small Spanish village of Castrillo de Murcia, the annual El Colacho festival involves a rather heart-stopping tradition. Men dressed as the devil run through the streets and leap over babies born during the previous year, who are lying on mattresses in the street. Dating back to 1620, this Catholic festival is believed to cleanse the infants of original sin and protect them from illness and evil spirits throughout their lives. Despite its seemingly dangerous nature, no injuries have been reported, and parents eagerly participate in this centuries-old custom.

2. Finger Cutting Mourning Ritual in Papua

Among the Dani tribe in Papua, Indonesia, grief is expressed through a deeply physical tradition. When a family member dies, female relatives cut off a segment of one of their fingers to represent the pain of losing a loved one. The physical loss symbolizes the emotional suffering experienced during bereavement. This practice has been gradually declining due to government intervention and modernization, but older tribe members still bear the physical marks of their grief, with some having lost multiple finger segments throughout their lives.

3. Teeth Blackening in Southeast Asia

Historically practiced in Vietnam, Japan, and parts of Southeast Asia, teeth blackening was considered a mark of beauty and maturity. The process involved applying a dark lacquer or dye made from iron filings, tea, and other ingredients to the teeth. In Vietnamese culture, this practice called "nhuộm răng đen" was particularly popular among married women and was believed to prevent tooth decay. While the tradition has largely disappeared, it was practiced well into the 20th century in some rural areas and was seen as a distinguishing feature that separated civilized people from animals.

Celebrations and Festivals

4. Monkey Buffet Festival in Thailand

Every November in Lopburi, Thailand, the local community prepares an enormous feast not for themselves, but for the thousands of macaque monkeys that inhabit the area. More than 4,000 kilograms of fruits, vegetables, and treats are arranged in elaborate displays for the monkeys to enjoy. This tradition began in the 1980s as a way to promote tourism and honor the monkeys, who are believed to be descendants of the monkey god Hanuman. The festival has become a major tourist attraction and demonstrates the unique relationship between the local human and simian populations.

5. La Tomatina Tomato Fight in Spain

In the town of Buñol, Spain, approximately 20,000 participants gather each August for the world's largest tomato fight. For one hour, participants hurl over 150,000 tomatoes at each other in the streets, covering everything and everyone in red pulp. The festival began in 1945, though its exact origins remain disputed, with theories ranging from a food fight among friends to a protest against city councilmen. Today, it has become an internationally recognized event that requires tickets for participation and follows specific rules to ensure safety.

6. Night of the Radishes in Mexico

On December 23rd each year, the city of Oaxaca, Mexico, hosts the Noche de Rábanos, where artisans carve elaborate scenes and figures from oversized radishes. These specially cultivated radishes can grow up to 50 centimeters long and weigh up to 3 kilograms. The tradition began in 1897 when merchants decorated their market stalls with carved radishes to attract customers during the Christmas season. The competition has evolved into a major cultural event, with artists creating intricate nativity scenes, historical moments, and fantastical creatures entirely from radishes, which must be completed quickly before the vegetables wilt.

Coming-of-Age and Manhood Rituals

7. Bullet Ant Gloves in the Amazon

The Sateré-Mawé tribe of the Brazilian Amazon has one of the world's most painful coming-of-age rituals. To prove their manhood, young boys must wear gloves filled with bullet ants—insects whose sting is said to be 30 times more painful than a bee sting and feels like being shot. The boys must wear these gloves for ten minutes while performing a dance, and they must repeat this ritual 20 times over several months or years to be considered fully initiated as warriors. The excruciating pain is seen as preparation for the hardships of adult life.

8. Famadihana Bone Turning in Madagascar

In Madagascar, the Malagasy people practice Famadihana, also known as "the turning of the bones." Every five to seven years, families exhume the bodies of their deceased relatives, rewrap them in fresh silk shrouds, and dance with the corpses to live music. This celebration is a joyful occasion where families reconnect with their ancestors, share stories, and ask for blessings. Fresh food and drinks are served, and the festival atmosphere demonstrates a completely different relationship with death than found in Western cultures. The tradition reflects the belief that the dead are not truly gone but maintain an active presence in family life.

Unique Cultural Expressions

9. Wife Carrying Championship in Finland

Originating in Finland, wife carrying has become an international sport with world championships held annually. Men race through an obstacle course while carrying a woman, who doesn't need to be their actual wife. The tradition allegedly stems from 19th-century Finland when men would raid villages and carry away women, though this origin story is debated. Today's competition is lighthearted, with the winner receiving the wife's weight in beer. The sport has spread globally, with competitions held in numerous countries following the official Finnish rules.

10. Polterabend Dish Smashing in Germany

In Germany and some neighboring countries, the night before a wedding is marked by Polterabend, where friends and family gather to smash porcelain dishes, flower pots, and tiles outside the couple's home. The tradition holds that the noise drives away evil spirits and the couple's ability to clean up the mess together demonstrates their capacity to work through difficulties in marriage. Importantly, glass is never broken, as it's considered bad luck. This pre-wedding celebration can involve hundreds of people and massive amounts of broken crockery.

11. Blackening of the Bride in Scotland

In parts of Scotland, particularly in the northeast, brides and sometimes grooms are subjected to "blackening" before their wedding. Friends and family ambush the bride-to-be and cover her in various substances including treacle, ash, feathers, flour, and sometimes spoiled food. The victim is then paraded through town or tied to a tree. The tradition is meant to prepare the bride for the embarrassments and challenges of married life—if she can handle this humiliation, she can handle anything marriage throws at her. Despite its medieval appearance, the custom remains popular in some communities.

12. Crying Weddings of the Tujia People

Among the Tujia people of China, brides begin crying one month before their wedding day. Ten days into the crying, the bride's mother joins her, and ten days after that, her grandmother and other female relatives participate. The crying, which is actually more like a ritualized wailing or singing, expresses the bride's reluctance to leave her family and demonstrates her virtue and deep family bonds. Different regions have different melodies and verses. Rather than being seen as sad, this tradition is considered a beautiful expression of familial love, and a bride who can't cry convincingly may face social judgment.

Understanding Cultural Diversity

These twelve traditions remind us that what seems strange is often deeply meaningful within its cultural context. Each custom serves important social, spiritual, or communal purposes, whether marking life transitions, honoring the dead, celebrating abundance, or strengthening community bonds. While modernization and globalization have caused some traditions to fade, many communities actively preserve these practices as links to their heritage and identity. Rather than judging these customs by external standards, understanding them offers valuable insights into the creativity, resilience, and diversity of human culture. These traditions challenge us to examine our own cultural assumptions and appreciate the countless ways humans create meaning, celebrate life's milestones, and build community across the globe.