Scientists Uncover Hidden “Second Layer” in Human DNA

A newly identified cellular system monitors subtle variations in genetic coding, hinting at a hidden level of control over how genes are expressed.

We keep finding the raw material of DNA in asteroids—what’s it telling us?

On Monday, a paper announcing that all four DNA bases had been found on an asteroid sparked a lot of headlines. But many of ...

Replicating bacterial DNA relies on accordion-like folds to separate, researchers discover

When bacteria cells replicate, they do so a little differently than human cells do. They don't undergo mitosis, a splitting ...

How CRISPR Works: Unpacking the Science of Cas9 and Gene Modification

Discover how CRISPR genome editing is revolutionizing medicine. Learn the science of Cas9, current clinical trials, and the future of gene editing.

Cancer’s Deadly Paradox: How Tumors Break Their Own DNA To Keep Growing

Cancer’s strongest gene switches push DNA into damaging overdrive, creating repeated breaks and repairs that may fuel tumor ...

CBSE Class 12 biology exam 2026: Expert tips and high-probability questions you must practice

The CBSE Class 12 Biology exam 2026 is scheduled for March 27, Friday. Experts emphasize that conceptual understanding, ...
Nature

An enzyme inside the bacterial-cell membrane chops up viral DNA on entry

When a virus infects a bacterial cell, the viral genome is the first component to be fully injected into the cell, making it an ideal immune target. A bacterial enzyme anchored to the membrane ...
Morning Overview on MSN

Study links an ALS-related protein to DNA repair, cancer, and dementia risk

A protein long studied for its role in amyotrophic lateral sclerosis and frontotemporal dementia now appears to serve a second, equally critical function, safeguarding the integrity of human DNA.