Stranger truths

10 things once dismissed as nonsense that are now undeniable science

Image: National Cancer Institute

Science is an unending search for truth, but when some truths are stranger than fiction, even the most experienced scientists find them hard to believe at first. As we learn more about the world we live in, phenomena once thought impossible are turning out to be more plausible than previously believed. From genetic memory to magnetoreception in humans, here are 10 examples of things once denied, doubted, or even feared—until evidence proved otherwise.

Image: digitale.de

Generational trauma was once considered nothing more than a poetic idea—but now, according to some scientists, it may be a measurable genetic phenomenon. Studies indicate that certain traumatic experiences can trigger epigenetic changes in DNA, influencing stress responses in descendants.

While researchers are still exploring the full scope of this phenomenon and which types of trauma can cause such changes, the findings challenge the long-held belief that our genetic makeup is entirely separate from individual life experiences.

Image: Jamie Street

Once dismissed as impossible, emerging research suggests humans may have a subtle magnetic sense linked to cells in the eye.

Scientists have identified cryptochromes—light-sensitive proteins in the retina—that could allow the eye to detect magnetic fields. Although the effect is weak and difficult to observe in humans, evidence indicates we might have a subconscious geomagnetic sense connected to vision.

Image: julien Tromeur

The idea that gut bacteria could influence our mood or behavior once sounded absurd, but we now know the gut microbiome communicates with the brain through the vagus nerve and various chemical messengers.

Imbalances in the microbiome have been linked to anxiety, depression, and even neurodegenerative diseases.

Image: Slaapwijsheid.nl

The phenomenon of sleep paralysis was once dismissed by science as mere fantasy, and it didn’t help that in pre-modern times it was often attributed to demonic visitation and other supernatural causes.

Today, it is recognized as a REM sleep disorder in which the brain wakes before the body. Visual and auditory hallucinations are common due to the lingering dream state.

Image: Naomi August

Until recently, consciousness was thought to require a functioning brain. However, recent experiments have revealed brain-like electrical patterns in some simpler organisms**.**

While this raises a plethora of questions about how consciousness emerges in living beings to begin with, it remains a very early field of study where much is still unknown.

Image: Thomas T

Einstein called it "spooky action at a distance," as it seemed too strange to be real. Yet years later, the phenomenon was experimentally confirmed.

We now know that particles can become entangled, so that a change to one instantly affects the other, even across vast distances. This principle underlies quantum computing, a field still in its infancy.

Image: Marco Bianchetti

People have reported feeling pain in amputated limbs since ancient times, but until recently, scientists didn’t know what to make of it, and largely dismissed it as a psychological phenomenon.

Today, neuroscience and brain imaging have confirmed it’s real. The brain retains a sensory map of the missing limb, which can trigger pain. Fortunately, mirror therapy can help retrain the brain to quiet these signals.

Image: Marc Szeglat

Not so long ago, extreme environments such as the deep sea, Antarctic ice, or boiling vents were thought to be lifeless.

However, research has revealed microbes thriving in boiling acid, under immense pressure, and even in radioactive waste. These discoveries have prompted scientists to reconsider the origins of life and its remarkable ability to survive under extreme conditions.

Image: Ryoji Iwata

Large groups of people fainting or convulsing without any apparent medical cause were once hard to make sense of. All sorts of explanations were proposed—rarely rigorous enough to prompt scientific interest.

Today, the phenomenon is recognized as mass psychogenic illness, typically triggered by a combination of stress, anxiety, and suggestion. It has been well documented in schools, factories, and even entire towns under high pressure.

Image: Jackie DiLorenzo

The idea that plants could "talk" was once dismissed as magical thinking or pseudoscience. But time has proven otherwise—botanists now confirm that plants do release chemical signals to warn nearby plants of threats like insect attacks.

Even more remarkably, some plants can even detect and respond to the sound of herbivores chewing nearby.

Deep roots

11 everyday words with indigenous roots

English is a very welcoming language in the sense that it incorporates terms from many other languages from all over the world. And, as it couldn’t be otherwise, Native American languages have lent many of their words and terms to English speakers. Some traveled through Spanish or French before settling into English, and others arrived directly through early contact and trade, helping shape the way we speak today. Did you know about these 11 terms?

The word "canoe" comes from the Taino term canoa, which was first used by Caribbean islanders long before Europeans arrived. Early explorers adopted it to describe the slim, sturdy boats they saw.

Over time, "canoe" became the standard English word for a small paddled craft. Today it still carries that sense of simplicity and closeness to nature.

The word "barbecue" comes from barbacoa, another Taino term for a wooden frame used for cooking meat over fire. Europeans adopted it and applied it to both the method and the gathering itself.

Today, "barbecue" means everything from a backyard cookout to a regional cooking style. Its origins highlight the deep culinary influence of Native Americans in the nation's current culture.

"Skunk" comes from the Algonquian word squnk, which means "urinating fox" (quite a fitting term, indeed). This was an obvious reference to the animal’s strong defensive spray. Early settlers adopted the term directly.

Since English had no better name for the creature, the Native word stuck. Today, the word skunks is also used as playful slang.

The word "moose" originates from Eastern Abenaki, a part of the Algonquian family, where it meant "he strips off bark." Yes, it described the animal’s habit of tearing bark from trees.

The name entered English quickly because settlers relied on Native knowledge of local fauna. The word remains unchanged because of its accuracy and usefulness.

"Raccoon" comes from the Powhatan word arakun, meaning "he scratches with his hands." It described the animal’s clever, humanlike front paws.

Settlers adopted the term because it captured the creature’s behavior beautifully. Today, the raccoon is used as a household symbol of curiosity, not unlike the animal itself.

The term "chipmunk" most probably comes from the Ojibwe word ajidamoo, which means "one who descends trees headfirst." Early English settlers adapted the sound into today’s form.

Though the spelling changed over time, the lively image of a chipmunk racing down a tree face-first stayed.

The word "caribou" comes from the Mi’kmaq term qalipu, which means "snow shoveler," referring to the animal’s habit of digging through snow for food.

French settlers brought the word into English, keeping its descriptive nature. The name still connects the modern animal to the winter landscapes it belongs to.

"Totem" comes from the Ojibwe word ototeman, which means "kinship group." It described symbols representing clans and shared roots.

English adopted it to describe carved poles and symbolic elements. Though broader in modern usage, it still hints at the original sense of community, identity, and heritage.

"Coyote" comes from the Nahuatl word coyōtl, which was used by Indigenous tribes of central Mexico. Spanish speakers adopted it, and English borrowed later.

The word kept its meaning, and it remains one of the most direct links between the English language and Nahuatl.

The tasty avocado’s name traces to the Nahuatl word ahacatl, which refers to the fruit and to a body part as well. Spanish speakers transformed it into aguacate.

Later on, English speakers adapted it to avocado. While the name sounds contemporary and culinary, it has ancient Native roots.

The last Nahuatl word and also the last word on the list comes from the term xocolātl, which describes a bitter cacao drink that was consumed long before Europeans arrived in America. The name traveled from Spanish to English.

Though the product changed dramatically, the word survived. Today, chocolate is a universal symbol of sweetness, with rich and deeply indigenous roots.