How cells identify and silence unwanted jumping genes

Transposons, DNA sequences that can self-replicate and move (jump) throughout the genome, are widespread and can affect cell survival if left unchecked. Cells control these "jumping genes" by silencing them, but little was ...

The 700-million-year history of our blood cells

Almost all animal species—including humans—have blood cells, but between different species our blood tells different stories. The lineage and components of blood cells vary widely, and this variety is a testament to how animals ...

Artists reconstruct extinct Sri Lankan megafauna

For animator and academic Dr. Jason Kennedy, palaeoart isn't just a hobby. Creating 3D images of prehistoric animals sits at the intersection of science and art, combining fossil analysis, comparisons with living species, ...

page 21 from 40