"Exploring mysteries of nature and caring for environment and health" is the theme of the day. On May 14th, 2011, IHEP had its 7th IHEP Public Science Day.

IHEP opened five of its laboratories and a research center to the public on the day, when visitors could have a chance to visit the Beijing Electron Positron Collider National Laboratory, CAS Key Laboratory for Nuclear Analytical Techniques, CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, IHEP Key Laboratory for Particle Astrophysics and Computing Center.

At 8:30, Prof. JIANG Xiaoming, Associate Director of IHEP opened a welcome ceremony by introducing to the visitors the scientific activities at IHEP. Prof. YE Minhan, CAS Academician was invited to deliver a talk about the glorious achievements and to introduce the famous scientists working at IHEP.

Several popular scientific reports were also made. Dr. ZHANG Chuang gave a talk named "IHEP and the Collider". Dr. SHI Weiqun gave a talk about the utilization of nuclear energy and the effects of nuclear radiation. Dr. XU Diandou introduced the problems concerning public environment and food safety. Visitors then watched videos and toured the facilities, such as the linear collider, the BEPC/BES prototypes and synchrotron radiation beamlines, etc.

The day, attracting over 1600 visitors from middle schools, research institutions and universities in Beijing, is a response to the call of holding scientific activities for the public, which aims to popularize and spread knowledge upon protecting environment and improving the quality of life.