Genetics
Missing Heritability: Why DNA Studies Still Fall Short of Twin Studies
Twin studies call height about 80 percent heritable, yet DNA studies long explained far less. Here is what sequencing has closed, what…
A Human Jumping Gene Turned Up Inside a Poxvirus
A Science paper reports BC200, a neuron-expressed jumping gene, copied into a human poxvirus. Here is the method, the numbers and what…
What Is DNA Made Of and How Does It Actually Work?
DNA is a chain of nucleotides whose base order works like a code. This article covers its structure, copying, the genetic code…
CRISPR-Cas9, Base Editing and Prime Editing: What Each Tool Actually Changes
Cas9 cuts, base editors swap a letter, prime editors rewrite short stretches. A plain comparison of what each tool does to DNA…
How Much DNA Do We Share With Chimps, Bananas and Each Other?
Humans are about 99.6 to 99.9 percent identical on single letters, chimps differ by a bit over 1 percent, and the banana…
How CRISPR Works: Gene Editing Explained, and What It Has Done
CRISPR began as a bacterial immune system. This article explains the mechanism, the first approved therapy, a 2025 personalized treatment, and the…
What is mitochondrial DNA and why do you inherit it from your mother?
Mitochondrial DNA is a small genome inside your cells that comes almost entirely from your mother. Here is why, and what the…
Are Humans Still Evolving? Evidence of Recent Human Evolution
Human evolution never stopped. The firmest evidence involves diet, altitude and disease, while claims about modern trends rest on small effects.