In mice, limited intakes of one specific essential amino acid can slow the effects of aging and even extend their lifespan, research from the US shows. Scientists wonder if these findings could help ...

Scientists have engineered a hybrid mouse with a gene that predates all animal life. The team replaced a single gene in the mouse stem cells with a version from an ancient, single-celled ancestor, and ...

Contrary to historic understanding of RNA’s longevity in cells, some RNAs can persist in cells throughout the life of an organism. Lead authors, Martin Hetzer, PhD, president of the Institute of ...