THUWAL, Saudi Arabia — Scientists have finally captured footage of the microscopic machinery that allows our cells to copy ...

For the first time, scientists have witnessed the very moment DNA begins to unravel, revealing a necessary molecular event for DNA to be the molecule that codes all life. A new study from King ...

King Abdullah University of Science & Technology (KAUST)Mar 19 2025 For the first time, scientists have witnessed the very moment DNA begins to unravel, revealing a necessary molecular event for DNA ...

Kerry served as The Scientist ’s news director until 2021. Before joining The Scientist in 2013, she was a stringer for Reuters Health, the senior health and science reporter at WHYY in Philadelphia, ...

Breaks in our genetic code termed “DNA double-strand breaks” create cellular stress and cell death if not rapidly repaired. Environmental mutagens including UV light can cause DNA breaks, and these ...

Duplication of DNA genomes requires unwinding of the double-strand (ds) DNA so that each single strand (ss) can be copied by a DNA polymerase. The genomes of eukaryotic cells are unwound by two ...

Yeast replication origins contain a DNA sequence element whose biological activity correlates with hypersensitivity to single-strand-specific nucleases in negatively supercoiled plasmids. By using two ...