Genetics

117 articles with this tag

How Sleeping Sickness Parasites Outsmart Your Immune System Science

How Sleeping Sickness Parasites Outsmart Your Immune System

African trypanosomes evade the human immune system by constantly switching their protein coat, a molecular disguise act that has baffled scientists fo...

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How Pharming Works—Drugs From Genetically Modified Animals Science

How Pharming Works—Drugs From Genetically Modified Animals

Pharming uses genetically engineered animals like goats and chickens to produce human therapeutic proteins in their milk or eggs, offering a cheaper a...

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How Iron Builds Up in Your Brain—and Why It Matters Science

How Iron Builds Up in Your Brain—and Why It Matters

Iron is essential for brain function, but as we age it accumulates in key brain regions, damaging neurons and driving cognitive decline. Scientists ar...

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How Gene Therapy for Deafness Works—One Injection Science

How Gene Therapy for Deafness Works—One Injection

Scientists can now restore hearing in people born deaf by injecting functional genes directly into the inner ear. Here's how the therapy works, which...

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How CRISPRa Activates Genes Without Cutting DNA Science

How CRISPRa Activates Genes Without Cutting DNA

CRISPRa uses a deactivated version of the CRISPR protein to turn genes on without making any cuts to DNA, opening doors to reversible treatments for g...

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What Are Organoids and How They Replace Animal Testing Science

What Are Organoids and How They Replace Animal Testing

Organoids are lab-grown miniature organs derived from stem cells that mimic human tissue. As regulators phase out mandatory animal testing, these tiny...

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How Cell-Free Protein Synthesis Works—and Why It Matters Science

How Cell-Free Protein Synthesis Works—and Why It Matters

Cell-free protein synthesis lets scientists produce proteins without living cells, dramatically speeding up drug discovery, vaccine development, and b...

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How a Father's Health Before Conception Shapes His Baby Science

How a Father's Health Before Conception Shapes His Baby

Research reveals that a father's diet, stress, and lifestyle alter sperm epigenetics—chemical tags on DNA—that can influence offspring health for gene...

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How Gut Bacteria Inject Proteins Into Your Cells Science

How Gut Bacteria Inject Proteins Into Your Cells

Harmless gut bacteria wield syringe-like molecular machines called type III secretion systems to inject proteins directly into human cells, shaping im...

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What Is Long COVID and Why Does It Persist for Years? Health

What Is Long COVID and Why Does It Persist for Years?

Long COVID affects hundreds of millions worldwide, with symptoms lasting months or years after infection. Scientists have identified viral persistence...

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What Are Lysosomes and Why Your Cells Need Them Science

What Are Lysosomes and Why Your Cells Need Them

Lysosomes are membrane-bound organelles that serve as the cell's recycling centers, breaking down waste and damaged components. When they malfunction,...

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How Sex Testing in Sports Works—and Why It's So Hard Sport

How Sex Testing in Sports Works—and Why It's So Hard

From nude parades to genetic screening, sex verification in elite sports has a troubled 90-year history. The science is far more complicated than any...

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