Articles for category: Biology & Genetics, News

Scanning electron micrograph of HIV-1 budding (in green) from cultured lymphocyte. This image has been colored to highlight important features; see PHIL 1197 for original black and white view of this image. Multiple round bumps on cell surface represent sites of assembly and budding of virions.

Viking DNA Reveals the Ancient Origins of an HIV-Fighting Gene Mutation

April Joy Jovita

A genetic mutation that helps protect against HIV infection has been traced back to a single individual who lived near the Black Sea between 6,700 and 9,000 years ago. This discovery challenges previous assumptions about the mutation’s origins, suggesting it spread rapidly across Eurasia long before the Viking Age. Tracing the Mutation’s Origins   Scientists analyzed ...

3D rendition of the influenza virus.

Bacteria vs. Viruses: Understanding the Key Differences and Their Impact on Health

Annette Uy

Bacteria and viruses are two of the most common microorganisms that can have a profound impact on human and animal health. Despite their microscopic size, they are responsible for a wide range of diseases and infections. Understanding the key differences between bacteria and viruses is essential for effective diagnosis, treatment, and prevention. This article aims ...

Digitally-colorized transmission electron microscopic (TEM) image of Avian Influenza A H5N1 viruses (seen in gold), grown in Madin-Darby Canine Kidney (MDCK) epithelial cells (seen in green).

Why Viruses Aren’t Quite Alive: The Fascinating Science of Viral Life

Trizzy Orozco

Viruses occupy a gray area in the biological world. These microscopic entities have puzzled scientists for decades, standing at the intersection of living and non-living. While they exhibit some features of life, they lack others. So, why aren’t viruses considered fully alive? To answer this question, we must delve into the fascinating science of viral ...

The Final Mystery Is Not Space, but Consciousness

The Final Mystery Is Not Space, but Consciousness

Sumi

  We have telescopes that can stare almost to the edge of the observable universe, detectors that can hear black holes collide, and spacecraft drifting into interstellar space. Yet if you close your eyes right now and notice what it feels like to be you, you’ve just encountered something even more baffling than a black ...

A detailed view of a spaceship approaching Mars, highlighting interplanetary exploration.

Astrobiology: How Scientists Are Using Earth’s Extremophiles to Search for Life on Other Planets

Trizzy Orozco

Astrobiology is a multidisciplinary scientific field that seeks to understand the potential for life beyond Earth. It involves the study of life’s origins, evolution, distribution, and future, both on Earth and other celestial bodies. A significant part of this endeavor includes researching Earth’s extremophiles—organisms that thrive in conditions once thought to be inhospitable to life. ...

When Algorithms Predict Your Death: The Morbid Future of Predictive Healthcare

When Algorithms Predict Your Death: The Morbid Future of Predictive Healthcare

Annette Uy

Imagine waking up to a notification that quietly whispers your likely cause of death, or a digital assistant reminding you to avoid risky behaviors based on its calculations of your mortality. It sounds like the plot of a futuristic thriller, but this chilling prospect might soon be reality. Algorithms are already learning to predict not ...

Northern hairy-nosed wombat.

Endangered Species Day: The Forgotten Creatures You’ve Never Heard Of

Trizzy Orozco

Did you know that every hour, a species quietly slips closer to extinction—often without the world ever learning its name? Endangered Species Day isn’t just about the famous faces like tigers and pandas. It’s also a time to pull back the curtain on the silent, overlooked animals whose stories rarely make headlines. These creatures, with ...

Intestinal bacteria. Microbiome.

Microbes in Space Can Life Survive Beyond Earth

Maria Faith Saligumba

When thinking about space exploration, we often envision advanced spacecraft, groundbreaking technology, and heroic astronauts embarking on perilous missions to the stars. However, one of the most important factors in the search for extraterrestrial life and the possibility of sustaining human life beyond Earth lies in the microscopic realm of microbes. These tiny organisms, which ...

Red-keeled Flowerpecker in Liloan, Cebu.

Rediscovery of the Cebu Flowerpecker: How a ‘Lost’ Bird Came Back

Trizzy Orozco

It’s not every day that a bird believed to be extinct for nearly a century suddenly reappears, as if nature itself is offering a second chance. The Cebu Flowerpecker, a tiny, brilliantly colored bird from the Philippine island of Cebu, was once written off as lost to history. Its rediscovery sent shockwaves through the conservation ...

A charcoal depiction of a woolly mammoth.

The Mysteries of the Woolly Mammoth: Uncovering Secrets of an Extinct Giant

Trizzy Orozco

The woolly mammoth, a majestic creature of the Pleistocene epoch, roamed the vast cold steppe of the Northern Hemisphere. These giants were well-adapted to the harsh, frigid conditions that characterized their environment. Similar in size to modern elephants, woolly mammoths had long, shaggy fur and a thick layer of fat beneath their skin to insulate ...