Science and Technology

Qué riesgos tienen los sesgos algorítmicos en decisiones públicas

The history and legacy of Fortran since its creation in 1957

1. Fortran (1957)Fortran, created by IBM under the leadership of John Backus, was the first widely adopted high-level programming language. Designed for scientific and engineering calculations, it transformed programming from manual machine instructions to readable mathematical formulas. Early benchmarks showed programs written in Fortran could run nearly as efficiently as hand-written assembly, which persuaded industries to adopt it rapidly.For decades, Fortran dominated scientific computing, weather modeling, nuclear simulations, and aerospace engineering. Even today, critical systems in physics and climate science rely on modern Fortran standards. Its introduction of the compiler as a practical tool and its emphasis on numerical performance…
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Antibiotics: how to care for your microbiome afterward

The role of baseline microbiome in antibiotic recovery and resilience

How antibiotics affect your microbiomeAntibiotics save lives by killing or inhibiting bacteria, but they are rarely selective only for pathogens. They reduce gut microbial diversity, shift relative abundances, and can expand antibiotic-resistance genes. Common consequences include antibiotic-associated diarrhea (AAD), overgrowth of opportunistic pathogens such as Clostridioides difficile, altered immune signaling, and metabolic changes. The magnitude of disruption depends on the antibiotic class, dose, duration, and the individual’s baseline microbiome and health status.How long recovery takesRecovery timelines vary:Short courses (1–7 days) often produce measurable changes within days; diversity and many taxa commonly begin to rebound within weeks.Many studies report partial recovery…
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The 10 Computers That Shaped the Evolution of Computing

How ENIAC demonstrated the power of vacuum tube technology

1. ENIAC (1945)The Electronic Numerical Integrator and Computer (ENIAC) is widely recognized as the first large-scale, general-purpose electronic digital computer. Developed at the University of Pennsylvania, ENIAC occupied about 1,800 square feet and used nearly 18,000 vacuum tubes. It was originally designed to calculate artillery firing tables for the United States Army during World War II.ENIAC demonstrated that electronic components could dramatically outperform mechanical systems. It performed thousands of calculations per second, a revolutionary speed at the time. Though programming required manual rewiring and setting switches, ENIAC proved that fully electronic computing was viable and scalable, laying the foundation for…
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The 12 Pioneering Surgeries That Opened New Fields of Medicine

How the 1846 ether anesthesia demonstration revolutionized surgical care

1. The First Successful Use of Ether Anesthesia (1846)Before the mid-nineteenth century, surgery was a brutal, last-resort intervention performed at lightning speed to minimize agony. On October 16, 1846, at Massachusetts General Hospital, dentist William T. G. Morton publicly demonstrated the use of ether anesthesia during the removal of a neck tumor. The patient reportedly felt no pain.This single operation transformed medicine. Surgeons could now operate deliberately rather than desperately. Mortality rates dropped as procedures became more precise, and entirely new specialties—such as abdominal and thoracic surgery—emerged. Modern anesthesiology, patient monitoring systems, and critical care medicine trace their origins to…
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Los 10 telescopios más potentes jamás construidos

Exploring the universe with the most powerful telescopes

1. Hubble Space Telescope (HST)Launched in 1990, the Hubble Space Telescope transformed modern astronomy by orbiting above Earth’s atmosphere, eliminating atmospheric distortion. With a 2.4-meter primary mirror and instruments sensitive to visible, ultraviolet, and near-infrared light, Hubble has delivered more than 1.5 million observations.Key achievements include:Accurate determination of how fast the cosmos expands.Deep field snapshots uncovering thousands of remote galaxies.Data indicating that colossal black holes reside at galactic cores.Hubble’s long lifespan and maintenance operations transformed it into one of the most scientifically fruitful devices ever created.2. James Webb Space Telescope (JWST)Launched back in 2021, the James Webb Space Telescope stands…
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The 15 historic space missions that defined exploration

The 15 historic space missions that defined exploration

1. Sputnik 1 (1957)Sputnik 1, sent into space by the Soviet Union on October 4, 1957, became the inaugural artificial satellite to circle Earth. Weighing 83.6 kilograms, it broadcasted basic radio signals perceptible across the globe. This achievement ushered in the Space Age and sparked the Cold War space race pitting the Soviet Union against the United States. Aside from its geopolitical consequences, Sputnik proved that rockets possessed the capability to deliver payloads into orbit, thereby establishing the technological groundwork for subsequent space exploration.2. Vostok 1 (1961)On April 12, 1961, Vostok 1 carried Yuri Gagarin into orbit, making him the…
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The 12 Vaccines That Saved the Most Lives in History

The 12 vaccines that prevented countless illnesses and disabilities

Introduction: Vaccines as the Greatest Life-Saving InnovationVaccination is widely regarded as one of the most powerful public health achievements in human history. By training the immune system to recognize and fight infectious agents before exposure, vaccines have prevented countless illnesses, disabilities, and deaths. According to the World Health Organization, immunization currently prevents 4–5 million deaths every year. The following twelve vaccines stand out for the extraordinary number of lives they have saved, transforming global health and reshaping life expectancy across continents.1. Smallpox VaccineEstimated impact: More than 200 million lives saved throughout the 20th century exclusively.Smallpox was once one of humanity’s…
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How are climate models and satellite data improving extreme-weather forecasting?

The evolution of extreme-weather forecasting over the past two decades

Why Severe-Weather Forecasting Matters More Than EverExtreme weather events like heat waves, floods, hurricanes, wildfires, and droughts are growing more frequent and intense as the climate warms. Saving lives, safeguarding infrastructure, and directing emergency responses depend heavily on precise and prompt forecasts. Driven by breakthroughs in climate models and an explosion in satellite data, forecasting capabilities have advanced significantly over the last twenty years. Combined, these instruments are reshaping the way scientists spot, anticipate, and convey the dangers of severe weather.Modern Climate Models: From Coarse Averages to Fine DetailClimate models are computer simulations that represent the physics, chemistry, and biology…
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How are confidential computing and secure enclaves being adopted?

Why energy efficiency drives the adoption of photonic computing and optical interconnects

The computing industry is approaching physical and economic limits that traditional electronic technologies struggle to overcome. As data volumes explode, artificial intelligence workloads intensify, and energy efficiency becomes a central concern, photonic computing and optical interconnects are moving from research labs into commercial roadmaps. Their appeal lies in a simple but powerful idea: using light instead of electrons to process and move information.The Boundaries of Traditional Electronic ComputingFor decades, progress in computing followed predictable scaling trends, with smaller transistors delivering higher performance and lower cost. That trajectory has slowed due to several constraints:Power density and heat: Contemporary chips generate massive…
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FODMAP: when it helps and how to avoid deficiencies

When a low FODMAP diet can improve gut health and reduce symptoms

What FODMAPs are and why they matterFODMAPs are short-chain carbohydrates that can be poorly absorbed in the small intestine and then fermented by bacteria in the colon. The acronym stands for fermentable oligosaccharides, disaccharides, monosaccharides and polyols. When these molecules reach the colon, they attract water and are rapidly fermented, which can cause gas, bloating, abdominal pain and altered bowel habits in susceptible people.When a low FODMAP approach helpsIrritable bowel syndrome (IBS): Robust clinical data indicates that a low FODMAP diet is particularly effective at alleviating IBS manifestations. Controlled trials alongside comprehensive meta-analyses document relief in roughly half to three-quarters…
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