成人快手

The creation of the cervical cancer vaccine, the construction of the bridge between Denmark and Sweden, the legendary American dancer Isadora Duncan, bloodshed in Lesotho and one doctor's painful memories of the Iran-Iraq war.

(Photo: Electron micrograph of virus like particles formed from the outer protein coat of the human papillomavirus (HPV). The proteins form a virus-like particle that does not contain any genetic material. Credit: Science Photo Library)