weekly review (feb 23 - mar 1)
(photo: vcg)
two-photon microscope obtains cell images of taikonauts
the in-orbit shenzhou-15 crew successfully captured the 3d structural images of their skin cells with china's self-developed two-photon microscope, which was the first of its kind in the world, providing a new tool for future health monitoring of in-orbit astronauts.
total length of transportation network exceeds 6m km
the total length of the comprehensive transportation network within china surpassed 6 million km by the end of 2022. from 2018 to 2022, china built the world's largest high-speed railway networks, expressway networks and a world-class port cluster.
academic progress of tcm in 2022 revealed
ten achievements, including progress in clinical trials of traditional chinese medicine (tcm) in covid-19 treatment, were selected as the academic progress of tcm in 2022，according to china association of chinese medicine on february 25.
investment in basic research soared
in 2022, china invested about 195.1 billion rmb in basic research, making up 6.3 percent of the total r&d spending that reached 3.09 trillion rmb and accounted for 2.55 percent of the country's gdp, according to a press conference held on february 25.
