The 12th talk – Prevention of Heart Disease and CPR(cardio-pulmonary resuscitation)

bo yan


Sixth talk plus – Ebola virus

 Ebola virus and prevention

埃博拉病毒及预防 Ebola virus and prevention

The Ebola Virus Explained — How Your Body Fights For Survival

Recommend reading materials

Wikipedia Ebola virus epidemic in West Africa
In Science collections of Ebola Virus

Ebola outbreak time line. Clik HERE

Why is Africa?

Africa is, today, the most backward continent in the world. This is not simply an emotive statement, but a cold fact. See more in the article of Conflicts in Africa.


Fifth talk – nanoscience

Brief introduction to nanomaterials


Nanomaterials describe, in principle, materials of which a single unit is sized (in at least one dimension) between 1 and 1000 nanometers (10−9 meter) but is usually 1—100 nm (the usual definition of nanoscale).