Using magnetic nanoparticles, scientists stimulate the adrenal gland in rodents to control release of hormones linked to stress.
Carbon nanotubes embedded in leaves detect chemical signals that are produced when a plant is damaged.
Neurons that store abstract representations of past experiences are activated when a new, similar event takes place.
Chemical engineers have developed a way to protect transplanted drug-producing cells from immune system rejection.
An immune molecule sometimes produced during infection can influence the social behavior of mice.
Long-lasting capsule can remain in the stomach and release contraceptive drugs over several weeks.