He thought he had only received rocks from a child, put ultraviolet light on the jar, and discovered uranium in the gift sent by a 9-year-old boy.

Written by Fabio Lucas Carvalho

Published on 07/05/2026 at 15:41

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A jar of rocks sent by Nicolás, a nine-year-old boy from Naucalpan, Mexico, became a trending topic on social media after Mexican creator @a.insulini examined the gift with ultraviolet light and identified uranium in one of the samples, sparking a conversation about geology, safety, and scientific curiosity.

A viral TikTok video caught attention after Mexican creator and musician @a.insulini showed an unusual gift received from a nine-year-old boy: a jar of rocks which, after being examined under ultraviolet light, was revealed to contain uranium. The case involved Nicolás, a young geology enthusiast living in Naucalpan, Mexico, and transformed a simple delivery of minerals into a conversation about chemistry, mineralogy, and safety.

Uranium found in jar of rocks sent by child

The creator recounted that he received the gift accompanied by an invitation to visit the boy’s home and see his rock collection. Inside the jar were several samples gathered by Nicolás, who already showed an interest in geology and different types of minerals.

The surprise occurred when the rocks were subjected to ultraviolet light. One of the samples stood out for containing uranium, which led the science communicator to react with astonishment at the discovery made from a gift sent by a child.

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Visit sought to clarify sample safety

Intrigued by the material received, the creator decided to visit Nicolás to see his collection up close and clarify doubts about the risks involved. During the meeting, he explained that the sample was safe because uranium emits alpha particles, which are unable to penetrate paper, much less glass.

The guidance also included a warning about handling the material in an open environment. The problem, as explained during the visit, would arise if the substance were improperly handled and then inhaled or swallowed, a situation in which it could become dangerous.

Collection also included bismuth, carbon, quartz, and opal

In addition to the sample containing uranium, Nicolás presented other elements and minerals from his collection. Among them were bismuth, carbon, different types of quartz, and opal, items that broadened the conversation to other points of the periodic table and mineralogy.

The meeting between the science communicator and the boy ended up turning into a small science lesson. The conversation covered topics such as carbon structure, meteorites, and diamonds, always starting from the pieces gathered by the young collector.

Conversation went viral as a scientific anecdote

The video gained repercussion for combining surprise, curiosity, and scientific explanations around an improbable case. The phrase about having received uranium from a nine-year-old boy became the center of millions of users’ reactions to the publication.

During the observation of the rocks, the creator also commented that imperfections in them could be desirable, associating the characteristic with a reflection on pop culture and humanity. In the end, the episode showed how a child’s mineral collection brought uranium to the center of a curious, educational, and unexpected story.

He thought he had only received rocks from a child, put ultraviolet light on the jar, and discovered uranium in the gift sent by a 9-year-old boy.

Uranium found in jar of rocks sent by child

Visit sought to clarify sample safety

Collection also included bismuth, carbon, quartz, and opal

Conversation went viral as a scientific anecdote

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He thought he had only received rocks from a child, put ultraviolet light on the jar, and discovered uranium in the gift sent by a 9-year-old boy.

Uranium found in jar of rocks sent by child

Visit sought to clarify sample safety

Collection also included bismuth, carbon, quartz, and opal

Conversation went viral as a scientific anecdote

A giant printer called the “Ferrari” of concrete has landed in Latin America and can already build a 120-square-meter house in just 48 hours, making the traditional construction site look like something from the last century.

A British company has installed in the middle of the ocean the world’s first floating platform that generates electricity 24 hours a day from the temperature difference between the surface and the depths of the Atlantic, without relying on wind or sun.

Great Atlantic Sargassum Belt has ceased to be a climatic phenomenon and has become a biological system that feeds on itself, with 8,000 kilometers in length, 37 million tons of algae, and scientists confirm that it is now permanent.

China is building an artificial island in the middle of the sea, covering 20 km², to construct the largest offshore airport in the world, the Dalian Jinzhouwan. This $4.3 billion project is anchored on more than 3,000 pillars embedded in the rock beneath the ocean and is scheduled to open in 2035.

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Austrian engineers have developed an inflatable concrete technology that transforms flat slabs into domes using only air pressure, eliminating scaffolding and temporary forms, and potentially changing the way bridges, tunnels, and curved roofs are constructed worldwide.

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