DNA

Nov 20 2024HEALTH

The Hidden Impact: War and DNA Changes in Syrian Kids

Did you know that exposure to war can mess with your DNA? It's true! When kids and teens face traumatic events, like war, their DNA can change in a way that might affect their mental health. This change is called DNA methylation. Scientists have been looking into how war affects this process in kids

reading time less than a minute
Nov 20 2024SCIENCE

Cracking Cases with Safe Genetic Data: The Promise of Homomorphic Encryption

Imagine solving a crime using DNA, but without ever revealing sensitive personal information. That's the power of homomorphic encryption in forensic genomics. DNA analysis, especially using autosomal Single Nucleotide Polymorphisms (SNPs), is crucial for identifying unknown suspects. The catch? Our

reading time less than a minute
Nov 16 2024SCIENCE

Uncovering DNA Changes in Dog Blood: A Look Across Different Breeds

DNA methylation, a crucial process where specific genes are turned on or off, mostly happens at cytosine bases paired with guanine (CG). This process can tell us a lot about the health and environment of different body tissues in mammals. In particular, the genetic variety among dog breeds makes the

reading time less than a minute
Nov 14 2024CRIME

Protein Fingerprints: A New Forensic Tool

In the world of forensics, DNA has long been the star player. But what if there's more to a crime scene trace than just DNA? Enter proteomics, a field that studies proteins, the building blocks of life. While DNA tells us who, proteins can often tell us what. For example, they can reveal the type of

reading time less than a minute
Nov 08 2024SCIENCE

Unmasking Hidden DNA: New Methods for Unbalanced Mixtures

Finding hidden clues in mixed DNA stains can be crucial for solving mysteries involving multiple people. Scientists have been using special markers to spot minor contributors in these messy mixtures. In a recent experiment, researchers picked 18 of these markers, called DIP-InDel, and combined them

reading time less than a minute
Nov 02 2024CRIME

Beer Can DNA Leads to Montana Murder Suspect

In a twist that’s stranger than fiction, a beer can has helped investigators solve a murder that was initially mistaken for a bear attack. The gruesome killing occurred in October 2024, when 35-year-old Dustin Kjersem was found dead in his tent near Big Sky, Montana. Initially, it seemed like a wild

reading time less than a minute
Oct 30 2024SCIENCE

Burning Secrets: Chemicals in Smoke and Cancer

Have you ever thought about what's in the smoke you see during a wildfire? Besides being scary and bad for the environment, it also contains chemicals called polycyclic aromatic hydrocarbons (PAHs). These are created when things like wood burn. Usually, we encounter tiny amounts from car fumes and i

reading time less than a minute
Oct 29 2024CRIME

A Teacher's Tragic Fate: The Convicted Kidnapper's Confession

In Memphis, Tenn. , a man named Cleotha Abston pleaded guilty to the awful crime of kidnapping and murdering billionaire heiress and teacher Eliza Fletcher. This shocking event happened in September 2022, during her early morning jog. Eliza, a 34-year-old kindergarten teacher and mother of two, van

reading time less than a minute
Oct 26 2024SCIENCE

DNA Evidence Adds Weight to Norse Saga

Imagine a time when historical tales were passed down through generations, often written down long after the events occurred. This is the case with many Norse and Icelandic sagas, including the Sverris Saga. This saga describes the tumultuous reign of King Sverre Sigurdsson in the 12th century, fill

reading time less than a minute
Oct 25 2024SCIENCE

Ancient Man in Well Matches Old Norse Saga

Imagine discovering that a story from 800 years ago is actually true! This is what a team of archaeologists in Norway found out. They matched the DNA of a man thrown into a well during a raid in 1197 to the description in an old text called the Sverris Saga. This man, who was around 40 when he died,

reading time less than a minute