SCIENCE AND EDUCATION FILM: Chinese first investigation into Antarctic
SCIENCE AND EDUCATION FILM: Corn hybrids
SCIENCE AND EDUCATION FILM: Transplantation of rape seedling
SCIENCE AND EDUCATION FILM: Infant health
SCIENCE AND EDUCATION FILM: Single power production line in roadway tunneling
This program focuses on the types and characteristics of bird feathers. The role of eiderdown and colours, components and functions of feathers are also covered.