Yes, It is true that bananas contain radioactive substances. But the same can be said for spinach, potatoes, oranges, Brazil nuts, kitten litter, granite counter tops, even the air you breathe! Radioactivity is unavoidable and all around us. So, what exactly is it?
Everything in the world is made up of elements, which are made up of atoms (remember the periodic table?). Some of these atoms are unstable, and they decay or disintegrate. They emit “radiation” in the form of subatomic particles like as electrons, alpha particles, and neutrons, or electromagnetic waves known as gamma rays, when this happens. All of them have energy and can break down, or “ionize,” substances they come into contact with. Radiation illness or cancer can be caused by damage to essential macromolecules such as proteins or DNA. The nature of the radioactive element in question, the amount of the element, the distance we are from the radioactive material, and the presence of shielding substances between us and the source all play a role in the extent of exposure, just as they do with chemical toxins.
Potassium (K) is a common element that contains a low percentage of radioactive atoms (approximately 0.012 percent). These K-40 atoms breakdown spontaneously, emitting both electrons (beta radiation) and gamma rays. Both of these are capable of causing tissue harm. K-40, on the other hand, is not extremely radioactive, with a half-life of 1.3 billion years and only a few thousand atoms decaying every second. The question is, how much damage can this cause? What are the potential dangers of eating a banana? The dosage of radiation absorbed by relevant human tissues, measured in “rem,” a unit that takes into consideration the amount of radiation absorbed as well as the medical implications of that radiation, can be used to assess this.
The rem measurement is complicated, but a 10 millirem (mrem) exposure raises the risk of death in an average adult by one in a million. (This is stated to be an increase of 1 “micromort,” with 1 mort being certain death.) A banana contains about 450 mg of potassium and exposes the consumer to about 0.01 mrem when eaten due to its K-40 level. A chest x-ray, by comparison, produces 10 mrem. A fast calculation (10/.01) reveals that it would take at least a thousand bananas to cause a 10 mrem exposure, which would increase the chance of mortality by 1 in a million. To put it another way, a million times a thousand, or a billion, bananas would have to be consumed for death to occur. And all of this would have to be done in one sitting. It’s going to be a difficult task.
But what about the dangers of eating bananas for the rest of your life? Is there a cumulative effect? That doesn’t happen since potassium is a natural component of our bodies (approximately 120 grams), and the body maintains a consistent potassium level (homeostatic control). There is no buildup of radioactive potassium since some potassium is always taken in through the food and some is always expelled. As a result, while bananas are radioactive, the dose of radioactivity they deliver is not harmful. Sleeping next to someone exposes you to more radiation, although it’s still negligible. And, because of the C-14 in their exhaled carbon dioxide, their exposure is exacerbated if they are breathing heavily.
In the conclusion, enjoy the world’s most popular fruit, the banana. It’s actually a berry. That’s a story for another day. What about the peel? It can be used to shine your shoes.
Inspiring story of Jono Lancaster, Abandoned by His mother at birth for this 'defect' on his face
When Jono Lancaster was just 36 hours old, his parents left him for adoption because he was suffering from Treachers Collins Syndrome, a genetic disorder which hampers facial bones development. Now he is an inspirational speaker, a professional model and a teacher, giving inspiration to millions
A 28-year-old scientist could win a Nobel Prize for creating new class of antibiotics
A 28-year-old scientist could receive the Nobel Prize for developing a new class of antibiotics that fight drug-resistant bacteria, but she only has months to live after being diagnosed with incurable heart cancer, and she says "There aren't words to express how sad I feel' about not seeing award."
The Unique Grana Double Tree of Piedmont, Italy
The “Grana Double Tree” in Piedmont, Italy is a highly unusual tree, which consists of a cherry tree growing atop a mulberry tree. It is essentially a two-species, two-tiered hybrid duplex.
The extraordinary case of Olivia Farnsworth, who hit by a car and dragged down the street without pain because of chromosome 6 deletion
In 2016, 7-year-old Olivia Farnsworth was hit by a car and dragged down the street, but she did not feel a thing. That is because of a rare condition called “chromosome 6 deletion,” which causes her to feel no pain. She also does not experience hunger or exhaustion.
Scientist injects himself with 3.5m yr old bacteria for immortality and amazing happens
Russian scientist injected himself with a 3.5 million-year-old strain of bacteria, just to see what would happen. According to Brouchkov, Bacillus F has a mechanism that has enabled it to survive for so long beneath the ice, and that the same mechanism could be used to extend human life, too.
Woman's transplanted 'man hands' became lighter and more feminine over time
After losing both arms in an accident, an Indian girl received limbs from a male donor. The donor hands, which were formerly huge and hairy, changed skin tone and became thin and feminine over time to mix in with her body.
How did Howard Florey discover penicillin
Penicillin was discovered by Alexander Fleming, but he never attempted to turn it into an antibiotic. It wasn't until ten years later that Howard Florey discovered Fleming's obscure paper and understood the mold's potential. Up to 200 million lives may have been saved as a result of Florey's work.
The story of Lionel the Lion-Faced Man, Stephan Bibrowski
Stephen Bibrowski, also known as Lionel the Lion-faced Man, was a well-known sideshow entertainer. His entire body was covered in long hair, giving him the appearance of a lion; this was most likely due to a rare condition known as hypertrichosis. Lionel traveled to the United States in 1901 and began performing with the Barnum and Bailey Circus.
The Astonishing Case of Sanju Bhagat: Living with a Twin Inside Him for 36 Years
Sanju Bhagat, an Indian farmer, lived with an undiagnosed parasitic twin inside his abdomen for 36 years. In 1999, doctors discovered the twin during surgery. This rare condition, fetus in fetu, occurs when a malformed twin is absorbed during pregnancy, surviving within the host sibling's body.
The Mystery of the Dancing Forest: Reasons behind the unusual wonders of forest
The Dancing Forest in Russia is noted for its unusually twisted pine trees. The trunks of these trees are contorted into spirals, rings, and other squiggly loops, but the reason for this malformation is still a mystery.
The Science Behind Pigeons in Cancer Detection and What It Means for Medicine
In a groundbreaking study, researchers have discovered that pigeons can be trained to distinguish between cancerous and non-cancerous tissues in medical images with accuracy rivaling that of human experts. This surprising capability opens new avenues for understanding visual perception and has potential implications for improving diagnostic tools in medicine. Here is the fascinating science behind pigeons’ ability to spot cancer and what it signifies for the future of medical imaging.
How a Headache Cure Experiment Led to the Invention of Dynamite
Alfred Nobel discovered dynamite while experimenting with nitroglycerin, a volatile liquid he also took in tiny doses for headaches. Ironically, the explosive that made him wealthy and feared also eased pain—later inspiring his legacy as founder of the Nobel Prizes.
Why Some Animals Can Regenerate Limbs and What Science Says About Human Possibilities
Certain animals possess the extraordinary ability to regenerate lost limbs, a process that has fascinated scientists and inspired hopes for human medical breakthroughs. From salamanders’ perfect limb regrowth to starfish’s incredible body regeneration, this article explores how and why these animals can perform such feats, the biological mechanisms underpinning regeneration, and what cutting-edge research means for the future of human limb regeneration.
Megamouth Shark And Her Babies Found Dead In The Philippines
Filipino zoologists have recorded a pregnant megamouth shark for the first time ever since the rare aquatic specie was discovered in 1974.
This Yogi Spent 76 Years Without Eating or Drinking Anything and Confirmed by
Prahlad Jani, the starving monk who lived 76 Years without food and water.
The Heartbreaking Story Of Ella Harper, The ‘Camel Girl’
Ella Harper, Professionally known as the “Camel Girl” was born with a rare orthopedic condition that cased her knee to bend backward. Due to this condition, had to walked on all four legs, which resulted in her nickname as “Camel Girl”. Tough it was hard at first, but soon she made a fortune out of it.
Dr. Leonid Rogozov: the surgeon who removed his own appendix.
Dr. Leonid Rogozov was a legendary surgeon who operated on himself in 1961 to remove an inflamed appendix.
How Sleep Cycles Affect Cognitive Function and Memory Retention
Sleep is not just rest—it's an active process where our brain cycles through stages that shape cognition, memory, and overall mental performance. Different sleep phases, from deep slow-wave sleep to REM dreaming, play unique roles in consolidating memories, boosting attention, and refreshing brain networks. Explore how sleep cycles work and why they are essential to learning and sharp thinking.
The touching story of David Vetter (bubble boy), the 'boy who lived in a bubble
David Vetter lived his whole 12 years in sterile “bubble”. He was “outside” for 20 second after being removed from his mother’s womb. He never touched any human.
India's chandrayaan-3 becomes the first landed craft on moon's south pole
India's chandrayaan-3 becomes the first land craft on moon's south pole. It landed safely on August 2023
George Dantzig solved two famous “unsolved” problems in statistics mistakenly as assignment
In 1939, George Dantzig arrived late to his statistics class. On the board were two famous “unsolved” problems in statistics written as an example by his professor. Dantzig mistook the examples for homework assignments. He solved the “unsolved” problems and submitted the homework to his professor a few days later. His solutions earned him a doctorate.
The Mystery of the Darvaza Gas Crater: A 50-Year Inferno
Scientists lit a hole filled with natural gas on Fire in 1971, expecting it would burn only for few days. The hole has been burning for the past 48 years & is called "The Door To Hell".
The World’s First Seismograph: How Ancient China Detected Earthquakes 1,800 Years Ago
Over 1,800 years ago, long before modern technology, the ancient Chinese astronomer and inventor Zhang Heng created the world’s first seismograph in 132 AD. This ingenious bronze device could detect distant earthquakes by releasing small balls from dragons’ mouths into toads’ mouths—each indicating a different compass direction. Its historic detection of an earthquake 400 miles away astonished the imperial court and transformed the way societies understood and responded to seismic events.
Henrietta Lacks: Who Was She? Here's how HeLa cells became necessary for medical research
Henrietta Lacks was died in 1951. The tumor that killed her has been alive and growing to this day. The tumor is immortal and was used to progress the Polio vaccine and is the jumping point for most human cell research to this day. Scientists have grown some 20 tons of her cells.
Canadian Schoolteacher Discovers a Fossil That May Be 300 Million Years Old
School teacher discovers extremely rare fossil of unknown animal that maybe 300 million years old. One high school teacher was walking her dog when she made a once-in-a-lifetime find. It turns out that the fossil is probably 300 million years old and came from an extinct species of reptile.
