The visible effects of ageing on our body are in part linked to invisible changes in gene activity. The epigenetic process of DNA methylation — the addition or removal of tags called methyl groups — ...

Aging, neurological diseases and our bodies’ stress response are all linked to the tiny power plants inside each cell known as mitochondria. To function properly, mitochondria must first read ...

Scientists have found that twisting structures in DNA long mistaken for knots are actually something else entirely. Inside cells, DNA gets twisted, copied, and pulled apart. The twists can influence ...

Researchers including those at the University of Tokyo have made a surprising discovery hiding in people's mouths: Inocles, giant DNA elements that had previously escaped detection. These appear to ...

Researchers uncover two previously undetected bacteria in teeth from Napoleon’s soldiers, revealing a possible combination of illness that ravaged his army in 1812.