Science and Technology

In a remarkable sale that captured the attention of collectors and space enthusiasts alike, the world’s largest known Mars meteorite was recently auctioned for an impressive $4.3 million. This extraordinary specimen, notable for both its size and scientific significance, offers a tangible connection to the Red Planet and highlights the growing market for rare extraterrestrial materials.Martian meteorites are extremely unusual and precious as they offer direct understanding of the geology and past of our nearby planet without requiring space expeditions. These rocks are pieces ejected from Mars by collisions with asteroids and ultimately reach Earth, journeying immense distances across space…

Radiation exposure is often associated with catastrophic events such as atomic bomb detonations, nuclear accidents, and medical treatments. Yet, less commonly discussed is how traces of such exposures can remain within the human body, serving as silent markers of past encounters with ionizing radiation. These atomic bomb markers, embedded at a microscopic level, offer scientists and physicians valuable insights into both the history of radiation exposure and its long-term biological effects.Cuando una bomba atómica explota, emite una enorme cantidad de radiación ionizante: energía lo suficientemente poderosa como para cambiar los átomos y moléculas en los tejidos vivos. Esta radiación se…

WeTransfer, the widely used cloud-based file transfer service, has responded to growing concerns over data privacy by confirming that users’ uploaded files are not being used to train artificial intelligence (AI) systems. The clarification follows mounting public scrutiny and online speculation about how file-sharing platforms manage user data in the age of advanced AI.The company’s statement aims to reaffirm its commitment to user trust and data protection, especially as public awareness increases around how personal or business data might be utilized for machine learning and other AI applications. In an official communication, WeTransfer emphasized that content shared through its platform…

Astronomers have recently identified a mysterious interstellar object that could potentially be the oldest comet known to science. This discovery offers new insights into the early history of our solar system and the broader galaxy, shedding light on the composition and origins of celestial bodies that travel between stars.The object, observed as it journeyed through our solar system, presents features that set it apart from ordinary comets found in our cosmic vicinity. Its path, velocity, and elemental makeup indicate that it comes from a location well beyond the reach of the Sun's gravitational pull, suggesting it is a visitor from…

Around the age of six, children undergo remarkable developmental changes that affect not only their physical growth but also their cognitive and emotional capacities. This transitional period, sometimes informally called "wobbly-tooth puberty," marks a critical phase in brain maturation that lays the foundation for more complex thinking, social skills, and emotional regulation.The phrase "wobbly-tooth puberty" humorously alludes to a distinct physical event that occurs for children at this age—the shedding of primary teeth—coinciding with crucial neurological transformations. Although tooth loss is the most apparent indicator of transition, internally, the restructuring of children's brains significantly impacts their conduct, education, and engagement…

After making history as the first Indian astronaut to participate in a mission to the International Space Station (ISS), the nation’s latest space pioneer has completed a successful return to Earth. This journey, hailed as a milestone in India’s expanding space exploration efforts, reflects the country’s growing influence in global space collaboration and innovation.The astronaut, participating in a mission that was a collaboration among major space agencies worldwide, stayed on the ISS for a few days, engaging in a variety of scientific tests and operational tasks. His return represents not only a successful end to a historic flight but also…