At or just after the age of puberty. / (botany, zoology) Covered with down or fine hairs.

An individual who is going through puberty.

A developmental phase brought about by the action of hormones as part of the maturing process. For humans, there are three in total.

The science and practice of community hygiene; includes preventive medicine, health education, sanitation and environmental safety.

Advertising or other activity designed to rouse public interest in something. / Public interest attracted in this way. / The condition of being the object of public attention.

A form of cryptography which allows users to communicate securely without previously agreeing on a shared secret key (abbreviation PKC)

The professional dissemination and management of information by a person or an organization to the public with the purpose of creating a favorable public image.

A famous person whose life is the subject of public interest.

The opinion of the public, the popular view.

The industry of publishing, including the production and distribution of books, magazines, web sites, newspapers, etc. / Something published; a publication.