julio 2025

13 Jul

Unveiling the atomic bomb marker inside your body

Camila RojasCiencia y Tecnología

Exposure to radiation is frequently linked to disastrous occurrences, including atomic bomb blasts, nuclear mishaps, and medical procedures. However, it is less frequently mentioned how remnants of these exposures can persist in the human body, acting as quiet indicators of previous interactions with ionizing radiation. These atomic bomb indicators, located at a microscopic scale, provide researchers and doctors with important knowledge about both the historical context of radiation exposure and its enduring biological impacts.When an atomic bomb detonates, it releases a massive burst of ionizing radiation—energy powerful enough to alter atoms and molecules in living tissue. This radiation comes in…

Carney says US-Canada trade deal likely to include some tariffs

13 Jul

Canada’s PM aims to fast-track ‘nation building’ – but will indigenous First Nations support him?

Camila RojasInternacional

As Canada embarks on a renewed effort to advance large-scale infrastructure and economic development projects under the banner of “nation building,” Prime Minister Justin Trudeau’s government is emphasizing urgency and ambition. From clean energy corridors to transportation links, the federal government has presented these initiatives as essential to shaping the country’s long-term prosperity and sustainability. Yet for many Indigenous First Nations, these projects bring a familiar set of questions: Who defines what nation building means? And how will Indigenous voices be meaningfully included?At the heart of the discussion lies the federal administration’s suggestion to expedite permissions for significant initiatives considered…

Russia launches ‘massive’ drone bombardment on Zelensky’s hometown, Ukrainian officials say

13 Jul

Zelensky’s hometown suffers ‘massive’ drone attack from Russia, Ukrainian officials state

Camila RojasInternacional

In a recent escalation of hostilities, Ukrainian officials have reported that the southern city of Kryvyi Rih—birthplace of President Volodymyr Zelensky—was subjected to a large-scale drone assault by Russian forces. The overnight attack, described by local authorities as one of the most intense in recent weeks, highlights the ongoing vulnerability of urban centers far from active frontlines and underscores the evolving tactics of aerial warfare in the conflict.According to the regional military administration, dozens of Iranian-made Shahed drones were launched in a coordinated offensive targeting infrastructure and civilian areas across the city. Air defense units were able to intercept many…

A new recall of injected penicillin may put gains against syphilis in peril

13 Jul

New recall of penicillin injections could endanger syphilis progress

Camila RojasSalud

A recent recall of injected penicillin has raised alarms among public health officials, medical professionals, and community organizations dedicated to controlling sexually transmitted infections. The recall, which affects a specific batch of injectable penicillin used primarily to treat syphilis, could undermine recent progress in combating a disease that has seen a troubling resurgence in recent years.Penicillin G benzathine, commonly known by the brand name Bicillin L-A, is the gold-standard treatment for syphilis, particularly in pregnant individuals, where it plays a critical role in preventing congenital syphilis—a condition passed from mother to baby during pregnancy. The safety and effectiveness of this…

Fewer school-age children vaping in Australia since ban, study says

13 Jul

School-age children in Australia vape less after ban, study indicates

Camila RojasSalud

A recent research has shown a significant drop in the prevalence of e-cigarette use among children of school age in Australia, following the government's enforcement of stricter rules on vaping devices. The results imply that public health initiatives—especially those focusing on access and distribution—could be effectively contributing to the decline in youth vaping.The research, conducted by a team of health behavior specialists and public health researchers, analyzed data from a national survey of adolescents. The results indicate that since the introduction of the vaping ban and tighter import controls, the percentage of students regularly using e-cigarettes has dropped. This trend…