#Dna

Police Find DNA Evidence Amid Search for Savannah Guthrie's Missing Mom

While the search for Savannah Guthrie’s mother Nancy Guthrie remains underway, police confirmed they found and are processing DNA evidence found at her home, which has been designated a crime scene.

New DNA analysis rewrites the story of the Beachy Head Woman

Science

All Top News -- ScienceDaily•Jan 25

New DNA analysis rewrites the story of the Beachy Head Woman

A Roman-era skeleton discovered in southern England has finally given up her secrets after more than a decade of debate.

Science•All Top News -- ScienceDaily•Jan 9

The 4x rule: Why some people’s DNA is more unstable than others

A large genetic study shows that many people carry DNA sequences that slowly expand as they get older. Common genetic variants can dramatically alter how fast this expansion happens, sometimes multiplying the pace by four. Researchers also identified specific DNA expansions linked to severe kidney and liver disease. The findings suggest that age-related DNA instability is far more common than previously realized.

4 min

Science•All Top News -- ScienceDaily•Jan 5

This CRISPR breakthrough turns genes on without cutting DNA

A new CRISPR breakthrough shows scientists can turn genes back on without cutting DNA, by removing chemical tags that act like molecular anchors. The work confirms these tags actively silence genes, settling a long-running scientific debate. This gentler form of gene editing could offer a safer way to treat Sickle Cell disease by reactivating a fetal blood gene. Researchers say it opens the door to powerful therapies with fewer unintended side effects.

3 min

Science•All Top News -- ScienceDaily•Dec 19

The 98% mystery: Scientists just cracked the code on “junk DNA” linked to Alzheimer’s

Researchers have revealed that so-called “junk DNA” contains powerful switches that help control brain cells linked to Alzheimer’s disease. By experimentally testing nearly 1,000 DNA switches in human astrocytes, scientists identified around 150 that truly influence gene activity—many tied to known Alzheimer’s risk genes. The findings help explain why many disease-linked genetic changes sit outside genes themselves. The resulting dataset is now being used to train AI systems to predict gene control more accurately.

3 min