A puzzle for millennia, the movement of blood through the body was solved by an English physician in the 17th century, paving the way for modern medical technologies.
Sperm-binding, peptide–coated beads work as an implantable contraception device in mice and as a means of selecting human sperm for assisted reproduction techniques, researchers show.
Adult neurogenesis, already appreciated for its role in learning and memory, also participates in mental health and possibly even attention, new research suggests.