BEIJING, Jan. 16 (Xinhua) -- The following are the highlights of China's science news from the past week:

VACCINATING 9 MILLION DOSES

China has administered more than 9 million doses of self-developed COVID-19 vaccines. A senior health official announced this at a press conference last Saturday.

Starting Dec. 15, China officially launched the COVID-19 vaccination program for this winter-spring period targeting a number of key groups, including those engaged in handling imported cold-chain products, customs officers, medical workers, and people working in public transport and fresh markets.

2D MAP OF UNIVERSE

An international research team has released a giant 2D map of the universe, the National Astronomical Observatories of China (NAOC) under the Chinese Academy of Sciences said Thursday.

Conducted by the Beijing-Arizona Sky Survey (BASS) of the NAOC and the Dark Energy Spectroscopic Instrument (DESI), the study paves the way for the upcoming new-generation dark energy spectroscopic survey.

LIFE SCIENCES

The China Association for Science and Technology on Wednesday released the country's 10 most significant advances in 2020 in the life sciences field, highlighting food security and the COVID-19 epidemic.

The discovery of a smelly locust compound behind these pests' swarming topped the list. For the first time, it has revealed the mystery of locust swarms, which will be very significant in the control and prediction of locust plagues, and inspire scientists to solve the global food problem.

MAPS OF GLOBAL AGRICULTURAL PRODUCTION

An international team of researchers has released a set of high-precision maps of global agricultural production, providing data support for sustainable development, according to the Chinese Academy of Agricultural Sciences (CAAS).

Researchers from the CAAS, the International Food Policy Research Institute and other international research institutes collected data on agricultural production in 186 countries. They mapped the spatial distribution of 42 major crops, such as rice, wheat and corn, around the world, including the data on the crops' area, total yield and per-unit yield. Enditem

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