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september 18, 2024

rumor: someone in shanghai was blown down by the typhoon?

the truth:when typhoon "bebejia" affected shanghai, news appeared on social platforms and some chat groups that residents of a community in shanghai were blown down from high-rise buildings by the typhoon. some said it was in qingpu district, and some said it was in minhang district. after verification, the video content was that someone from another province or city committed suicide by jumping off a building. some lawbreakers, without knowing the location of the incident and the cause of the fall, misattributed the incident to pudong, minhang, qingpu and other places in shanghai in order to gain traffic, and posted it online, causing panic among the masses and causing adverse social impact. at present, 8 lawbreakers who fabricated and spread rumors have been punished by the police in accordance with the law. (source: "shanghai internet rumor refutation" wechat official account)

popular science: why are there fewer mosquitoes in summer than in autumn?

details:the turn of spring and summer and the turn of summer and autumn every year is the peak breeding season for mosquitoes. but strangely, people always feel that there are fewer mosquitoes when the weather is hot. are there not as many mosquitoes in summer as in autumn? in fact, this is because mosquitoes are not active when the weather is hot, so the chance of us being bitten is also reduced. as a cold-blooded animal, the growth and activity of mosquitoes are completely dependent on the external climate. usually the temperature range of 20℃ to 35℃ is the suitable temperature range for mosquitoes to be active and bite people. once it is higher or lower than this temperature range, the activity of mosquitoes will be greatly reduced, and blood-sucking activities will also be affected and restricted to a certain extent. however, mosquitoes have strong adaptability. even in the morning and evening of early summer and late summer, you still need to take precautions to avoid being bitten. (source: science debunks rumors)

tip: national emergency broadcast: how to prevent electric shock indoors and outdoors

details:on september 16, due to the influence of the typhoon, a high-voltage wire fell on a road section in zhoushi town, kunshan city, jiangsu province, and two residents who passed by were unfortunately electrocuted to death.

how to avoid electric shock during outdoor activities?

1. avoid walking near power facilities such as utility poles and transformers. please detour if you encounter downed power lines.

2. avoid contact with metal parts of traffic light poles, floor-standing billboards, etc., and try not to wade in water.

3. do not open the express locker during thunderstorms, and try to avoid using outdoor charging piles.

4. if you find that the power supply line is broken and in accumulated water, do not handle it by yourself. notify the power supply department in time.

how to prevent electric shock at home?

1. check the power circuit. if it is aging, ask a professional to replace the circuit.

2. it is not advisable to use solar water heaters on thunderstorm days. solar water heaters are basically installed on roofs and are likely to attract lightning. it is also not advisable to touch metal objects such as gas pipes and water pipes.

3. if there is water leakage in the home, you should immediately cut off the power supply and turn off the main switch to prevent the home appliances in use from leaking electricity due to water immersion and insulation damage.

4. when you go home on a rainy day, remember to dry your hands and feet to avoid electric shocks caused by wet hands and feet touching power sources. (source: "national emergency broadcasting" wechat official account)