A chemical sunscreen works by sucking in the UV light. It changes that light into heat that puffs off into the air, usually ...

A new article analyzes in depth the physical problems associated with DNA packaging that have often been neglected in structural models of chromosomes. The study demonstrates that the multilaminar ...

Within bacterial cells, specialized immune systems known as retrons fend off viral attacks. But that's not all they can do.

Rapa Nui, also known as Easter Island, never experienced a ruinous population collapse, according to an analysis of ancient DNA from 15 former inhabitants of the remote island in the Pacific Ocean.

The Plague May Have Caused the Downfall of the Stone Age Farmers July 10, 2024 — Ancient DNA from bones and teeth hints at a role of the plague in Stone Age population collapse. Contrary to ...

DNA is widely accepted to be formed of two strands that wind around one another, known as a double helix, but it is possible ...

DNA methylation is the covalent addition of methyl groups to DNA bases, typically the cytosine of CpG dinucleotides. It is catalyzed by methyltransferase enzymes using a S-adenosyl methionine ...

DNA replication is the biological process by which an exact copy of a deoxyribonucleic acid (DNA) molecule is created and it is the basis for biological inheritance. Each of the two strands of the ...