The origin of HIV/AIDS

Human immunodeficiency virus, or HIV, belongs to a family of organisms known as retroviruses, which insert their own genetic code into cells for the purpose of replication. When a person contracts the virus, it enters the host's cells, especially CD4 T-cells, which help to fight disease and whose presence can signal the development of HIV/AIDS in the patient.

A father helps autistic children

You Zhong entered the room where five teenagers were eating watermelon as a part of their rehabilitation courses. Then he greeted his son.

Around China

Guangdong

SOEs take measures to reduce graft

More than 40 officials in the State-run China National Offshore Oil Corp have quit their jobs in the last decade and used their connections to improve the profitability of their own firms, according to the Central Commission for Discipline Inspection.

Drones help rein in mosquito breeding

Aerial drones have become part of the prevention effort against dengue fever in Guangdong province, after the epidemic peaked last summer.

New rail to speed up travel along Yangtze River

Feasibility studies have begun on a continuous high-speed railway linking eastern, central and southwestern parts of the country.

Beijing-Tianjin-Hebei deal to promote landscape tourism in area

Beijing, Tianjin and Hebei province will jointly develop landscape tourism in their boundary areas, according to a cooperation agreement signed last week.

IN BRIEF (Page 4)

Turning waste into power cleans up village lifestyle

Liu Huaiyu raises more than 200 pigs in her farmyard, which houses one of the largest piggeries in her village, and the prodigious amount of manure they generate every day never bothers her. It is a source of extra income for her family.

Police experience helps environmental agency head

An experienced former police officer has headed the environmental watchdog in Zigong, Sichuan province, for more than three years and is trying to give environmental protection work more bite.

Work set to begin soon on Beijing airport's 4th runway

Beijing Capital International Airport, the busiest in China, will soon start building a new runway to help ease the heavy burden on existing facilities and improve flight punctuality, airport managers said.

Demand spikes for traditional woodblock-print Tibetan sutras

Lhasa resident Chodron has been on the waiting list for a woodblock-print sutra from her local monastery for a year, and she will need to wait another two years before she receives the beautiful piece of scripture.