Genetics

117 articles with this tag

How PCSK9 Controls Cholesterol—and Why It Matters Health

How PCSK9 Controls Cholesterol—and Why It Matters

PCSK9, a protein discovered in 2003, determines how much 'bad' cholesterol stays in your blood by destroying the very receptors that clear it away. Un...

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How CAR T-Cell Therapy Works—Cancer's Living Drug Health

How CAR T-Cell Therapy Works—Cancer's Living Drug

CAR T-cell therapy reprograms a patient's own immune cells to hunt and destroy cancer. Here's how the process works, what it costs, and why scientists...

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How Lab-Grown Organs Work—From Scaffold to Transplant Science

How Lab-Grown Organs Work—From Scaffold to Transplant

Scientists strip donor organs of their cells, rebuild them with a patient's own tissue, and implant them without immunosuppression. Here is how the de...

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How Your Sense of Smell Works—From Nose to Brain Science

How Your Sense of Smell Works—From Nose to Brain

The human olfactory system detects thousands of odors using around 400 types of receptors that create unique neural patterns, connecting directly to b...

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How Liquid Biopsies Detect Cancer Before Symptoms Health

How Liquid Biopsies Detect Cancer Before Symptoms

Liquid biopsies analyze fragments of tumor DNA circulating in the bloodstream, offering a minimally invasive way to detect dozens of cancer types befo...

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Why Neanderthals Went Extinct—and What DNA Reveals Science

Why Neanderthals Went Extinct—and What DNA Reveals

Neanderthals survived for over 300,000 years before vanishing roughly 40,000 years ago. Scientists now believe their extinction resulted from a combin...

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How Pharmacogenomics Works—Why the Same Drug Hits Different Health

How Pharmacogenomics Works—Why the Same Drug Hits Different

Pharmacogenomics explains why identical medications can cure one patient and harm another. By reading genetic variants in drug-metabolizing enzymes an...

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How Lipid Nanoparticles Work—Medicine's Tiny Couriers Science

How Lipid Nanoparticles Work—Medicine's Tiny Couriers

Lipid nanoparticles are the microscopic delivery vehicles that made mRNA vaccines possible and are now revolutionizing gene therapy, cancer treatment,...

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How CRISPR Cures Sickle Cell—One Gene Edit Science

How CRISPR Cures Sickle Cell—One Gene Edit

CRISPR gene editing can now treat sickle cell disease by reactivating fetal hemoglobin production, offering a potential one-time cure for a condition...

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How Brain Organoids Work—Mini Brains Grown in a Lab Science

How Brain Organoids Work—Mini Brains Grown in a Lab

Brain organoids are pea-sized clusters of human neural tissue grown from stem cells. They mimic early brain development and are transforming research...

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How Humans Are Still Evolving—Faster Than Expected Science

How Humans Are Still Evolving—Faster Than Expected

A landmark study of 16,000 ancient genomes reveals that natural selection has accelerated in humans since the dawn of agriculture, shaping traits from...

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How Ancient DNA Analysis Works—and What It Reveals Science

How Ancient DNA Analysis Works—and What It Reveals

Scientists extract and sequence degraded genetic material from bones thousands of years old, rewriting human history and revealing lost populations, e...

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