Highlights of China's science news

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BEIJING, Aug. 8 (Xinhua) -- The following are the highlights of China's science news from the past week:

LAKE SEDIMENT CORE

A Chinese expedition team has broken the country's record for extracting the longest lake sediment core sample on the Qinghai-Tibet Plateau. This will help reconstruct a record of Earth's climate and environment over the past 150,000 years.

Led by the Institute of Tibetan Plateau Research under the Chinese Academy of Sciences, the expedition team obtained the sediment core with a length of 144.79 meters at a depth of 153.44 meters in Lake Namtso on the plateau.

SUMMER FLOOD DATA WEBSITE

A dedicated website containing data on summer flood disasters in China has been launched. The website www.chinageoss.cn/cddr, jointly developed by the National Earth Observation Data Center and China GEOSS Data Sharing Network, is designed to provide scientific data support to local governments, disaster alleviation organizations and research institutes.

The website has obtained 64 basic geographic datasets covering Poyang Lake, Taihu Lake and Chaohu Lake in the middle and lower reaches of the Yangtze River, which encountered floods this summer.

BIRDS' REPRODUCTIVE EVOLUTION

Chinese scientists confirmed that bird ovaries can be preserved in fossils, providing evidence for the reproductive evolution of birds.

In 2013, scientists from the Institute of Vertebrate Paleontology and Paleoanthropology under the Chinese Academy of Sciences studied bird specimens dating back about 120 million years. The research found that only the left ovary was preserved in early birds.

COVID-19 VACCINE PRODUCTION

A production workshop for inactivated COVID-19 vaccines in Beijing has passed biosafety inspection and is qualified for use. The construction of the workshop was completed in April with the support of the Beijing municipal government. Enditem

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