The annoying hum can be used to identify mosquito species, and scientists hope that people can pull out their mobile phones and record a video.
I believe everyone has heard the annoying hum of mosquitoes when they are flying. But have you ever thought about recording this sound?
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in fact, in a scientific research project called "Abuzz", scientists hope that people all over the world can record a recording of mosquitoes around them and send them to them.
Why record mosquitoes? This is to determine the distribution of mosquitoes in order to better prevent diseases.
many mosquito-borne diseases are global medical problems, such as malaria or the Zika virus infection that has attracted attention in recent years. Some of these diseases do not have a good vaccine available, some do not have targeted drug treatment, in this case, it is very important to start with mosquitoes to control the disease.
and the so-called "mosquitoes" are not actually a species, and there are more than 30 species that can spread diseases to humans. They have different geographical distribution, migration and bite patterns. Accurate mosquito distribution data can help people understand mosquito-borne diseases, but to conduct a large-scale "mosquito population census" is not easy to collect, and it is difficult for a few researchers to do so alone.
so researchers at Stanford University came up with an idea to mobilize people: they want ordinary people to pick up their cell phones and collect mosquito data for them. They want people to turn on the recording function on their phones, get close to the buzzing mosquitoes and record audio for a few seconds, and then send it to their database with location information.
researchers have confirmed that even basic mobile phones can effectively collect data on mosquito flight sounds. Different mosquito species have different wing beat frequencies when they fly, and this difference can be identified by audio analysis. People can get close to recording while mosquitoes take off, and mosquitoes trapped in cups and bottles can also record, even if only for a second. When the data provided by the "citizen scientist" accumulated enough, we got a detailed map of the geographical distribution of mosquitoes.
if you are interested in this project, please see their website: https://web.stanford.edu/group/prakash-lab/cgi-bin/mosquitofreq/
. Now, there is only one problem that needs to be solved: how not to be bitten by mosquitoes while recording.