Tech UK
How tear gas became the go-to weapon for US police – BBC News
The riot control agent, often referred to as “tear gas”, has been used in 100 US cities since late May.
While it was banned from war a century ago, it remains a vital police tool around the world.
Some US law enforcement agencies said they used other gases like pepper spray to disperse protesters.
The US Centers for Disease Control and Prevention (CDC) defines tear gas as “chemical compounds that temporarily make people unable to function by causing irritation to the eyes, mouth, throat, lungs, and skin.”
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In certain parts of Nigeria, “rainmakers” or “rainpushers” are held in high regard.
People pay them to keep rain away from events, such as weddings, but can they really control the weather?
BBC Video Journalists Nduka Orjinmo and Joshua Akinyemi went to explore.
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A new personalised vaccine given in combination with a drug has stopped skin cancer returning in patients during a trial, representing a potentially watershed moment in cancer treatment. Scientists used mRNA technology, which was used for some Covid-19 vaccines.
But that technology – and vaccines more generally – have become increasingly controversial in the United States since the Covid-19 pandemic. The Health Secretary Robert F Kennedy Jr, is a vaccine sceptic.
In August 2025 cancelled $500m (£376m) in funding for mRNA vaccine research. The move impacted 22 projects being led by major pharmaceutical companies, including Pfizer and Moderna, for vaccines against bird flu and other viruses, according to Kennedy’s department.
We speak to Tom Whipple, host of the BBC’s Inside Science programme, about the science of this new vaccine. And we ask how funding cuts for vaccine research could impact health outcomes not just for Americans, but for the world.
0:00 How does the new mRNA skin cancer vaccine work?
2:56 How effective is the new cancer vaccine?
5:06 How do mRNA vaccines work?
6:51 How was mRNA technology developed?
10:26 How did Covid change mRNA vaccines?
12:01 Why is RFK Jr cutting mRNA funding?
15:19 Are mRNA vaccines safe?
18:48 Why is the FDA approving an mRNA flu vaccine?
21:00 What does the future of mRNA research look like?
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Tech UK
Historic first as Chinese robot beats Usain Bolt’s 100m world record at Beijing games | BBC News
A Chinese humanoid robot has run 100 metres in 9.39 seconds in a preliminary heat at the World Humanoid Robot Games in Beijing, surpassing the men’s world record time held by Jamaican sprinting great Usain Bolt.
Tiangong Ultra, developed by the Beijing Humanoid Robot Innovation Center, won its heat at the opening of the games’ second edition. The robot overtook smartphone maker Honor’s Lightning near the finish after falling behind early in the race. Lightning finished in 9.47 seconds, also faster than the 9.58-second record Bolt set at the 2009 World Athletics Championships in Berlin.
The results marked a remarkable improvement from last year’s inaugural games, when Tiangong Ultra won the 100 metres in 21.50 seconds. Tiangong also won the world’s first humanoid robot half-marathon, held in Beijing last year.
The 100 metres is among 51 events at the games, which include football, dancing and contests to complete industrial tasks.
China is promoting humanoid robots as a strategic emerging industry, with policymakers and companies betting that advances in AI and hardware will accelerate their use in manufacturing, logistics and consumer applications.
Investor enthusiasm for the sector was underscored recently when shares in Unitree, China’s best-known humanoid robot maker, jumped more than five fold in its Shanghai trading debut, giving the company a market value of about $50 billion.
This year’s games have drawn 2,056 robots from 666 teams across 16 countries and six continents, up from 280 teams at the inaugural event.
Clive Myrie presents BBC News at Ten reporting by Laura Bicker in Beijing.
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For the latest news download the BBC News app or visit BBC.com/news
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Every year, new reports warn that our roads are getting worse and potholes are becoming more common. Experts say the cost of …
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Artificial intelligence was the technology lots of people wanted to talk about at the Dentistry Show in Birmingham, UK.
From 3D printing to digital scanners and AI receptionists, there are many ways in which technology is helping dentists’ workflow.
We tried some of the tech on display.
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For the latest news download the BBC News app or visit BBC.com/news
#AI #Dentistry #BBCNews
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@NomadicCole
January 25, 2024 at 7:02 pm
Liberals: I’m angry cuz a guy I never knew died I’m gonna riot and loot
Cops: I wouldn’t do that if I were u I’ll use tear gas if you riot
Liberals: ignores and riots
Cops: use tear gas to stop the riot
Liberals: nooooo how dare the police make me cough and cry with tear gas to break up my rioting and looting rampage, this is so inhumane!
@venkat5206
January 25, 2024 at 7:02 pm
Extinguish fire ball insert make big gun can send where ever coner of house without burning ur skin will burn if u go inside house that's this gun can help to throw ball inside house coner
@tinaoxnam593
January 25, 2024 at 7:02 pm
Well the protesters might be doing everything eles wronge but they aint the going around using teargas. I think its wronge as teargas might hit innocent people.
@coolerking7427
January 25, 2024 at 7:02 pm
Which would you rather them use riot gas or bullets. Riot gas is not lethal.
@crono3339
January 25, 2024 at 7:02 pm
Don't be fooled, GUNS are the go to weapons for American police. Then they use tear gas on crowds. Wannabe soldiers.
@oldenglishsheepdogfun5960
January 25, 2024 at 7:02 pm
All countries us it.
@richardtrump2544
January 25, 2024 at 7:02 pm
No surprise that a police force armed with military vehicles and weapons would use a chemical weapon from WWI on it's citizens. Next it will be military AI and drones. Another great reason to defund the police.
@auro1986
January 25, 2024 at 7:02 pm
show how bbc makes tear gas
@RobertMullis
January 25, 2024 at 7:02 pm
Better than the bullets they used in the 60s
@edwilko8819
January 25, 2024 at 7:02 pm
Wish they used this still in the uk, soft sate oh we might injure someone or upset them. fuck them they loose their human right when they riot, get that writen into law! Fed up of paying for scum that want to steal riot rob like thugs amd use protests to steal, vandalize and set fires
@r.a.dalton8807
January 25, 2024 at 7:02 pm
I am a 65 year old retired U.S. Army Master Sergeant (1972-1993). The reporter who wrote this story obviously doesn't know the full story of "tear gas" and its history, types, and uses. It comes in several different forms with some types being much stronger then others. In the military a much stronger form is used and in higher concentrations for tactical use. In civilian riot control a weaker version, called CS, is usually used which is much less toxic and in lower concentrations. In riot control it all often comes down to which would you prefer, blood shed or tear gas? The choice is really that stark at times. Tear gas isn't nice, and I can attest to that having experienced it myself, but it beats having to physically club someone or shoot them in order to restore order when the mob is rioting, looting and out of control. For a more balanced look at tear gas, and more information on it, see this Wikipedia article: https://en.wikipedia.org/wiki/Tear_gas
@paulb4013
January 25, 2024 at 7:02 pm
Don’t like tear gas …. don’t protest ☺️
@angela89rae
January 25, 2024 at 7:02 pm
I am an American who has lived in the UK for 5 years now. I can't tell you how many times I have seen biased reports on the BBC (especially on anything having to do with the U.S.). The BBC…who on their own website state that they are impartial! Don't believe everything you see & seek out news reports from other sources.
@ahmedaziz3566
January 25, 2024 at 7:02 pm
we are going back into the olden days😞
@uayee1055
January 25, 2024 at 7:02 pm
Those cops need to use tear gas on themselves to see how it feels! Get a little taste of your own medicine
@artemnosov4214
January 25, 2024 at 7:02 pm
КАК НЕДЕМОКРАТИЧНО!
@artemnosov4214
January 25, 2024 at 7:02 pm
США Применяют газ против мирного населения, можно ли расценивать этот газ как химическое оружие?Требуем международных санкций!
@dennisj8044
January 25, 2024 at 7:02 pm
Why is it ‘brutality’ when Hk police use it, but ‘justified’ when American police use it?
@ljiljanaklajic3911
January 25, 2024 at 7:02 pm
French police use too
@nazarma9283
January 25, 2024 at 7:02 pm
CHEATING CHINA & PAKISTAN Provoking & Using Muscle Power to Capture Other Countries Land… All the Countries must be United & Teach Good Lesson by BOYCOTTING CHINESE PRODUCTS & APPS…
@xerakis5620
January 25, 2024 at 7:02 pm
Anytime the cops anywhere fight back against left wing, globalist terrorists they get criticized.. lol, pathetic. Kill all Left Wing Garbage!
@berrybear2465
January 25, 2024 at 7:02 pm
Tear gas makers making bank.
@lextacy2008
January 25, 2024 at 7:02 pm
Tear Gas – The anti speech bomb
@tedged
January 25, 2024 at 7:02 pm
I can't even think of the BBC without thinking of Jimmy Saville. Forever.
@lionelmoss3494
January 25, 2024 at 7:02 pm
Trumpty Dumpty world 🌎
@aquaveloush1968
January 25, 2024 at 7:02 pm
The news media promotes Police misconduct It is a chemical weapon. Not cry gas. And rubber bullets are gunshots. Making it sound less lethal is fake.
Police shot protesters and the State deployed chemical weapons
That is the real news.
@TORYTUZKOIN
January 25, 2024 at 7:02 pm
we are Russian against zeroing Putin
@savcnsk9352
January 25, 2024 at 7:02 pm
I think that almost all involved are at fault
@shkarslemany2907
January 25, 2024 at 7:02 pm
Hello, the most beautiful creation of Almighty God, the purest and most beautiful religion of Islam, I hope you will look for it to find the purpose of your creation, especially in the Holy Quran.May the Sunnah of our Messenger Muhammad be upon him.May the Sunnah of our Messenger Muhammad be upon him.May the Sunnah of our Messenger Muhammad be upon him.Harm those who do not follow the last message will go to hell, which is very unpleasant and punishable.And the good ones for heaven will never die, nor will there be any unhappiness in the world that has followed Islam here.Finally I say look for a pure and good religion that is Islam Don't make the mistake of stealing for example. Adultery.When you return you will be more clear.Thank you for reading this message. Thank you for following the pure religion of Islam. I hope you are safe. May God protect us from wrongdoing and Hello, the most beautiful creation of Almighty God, the purest and most beautiful religion of Islam, I hope you will look for it to find the purpose of your creation, especially in the Holy Quran.May the Sunnah of our Messenger Muhammad be upon him.May the Sunnah of our Messenger Muhammad be upon him.May the Sunnah of our Messenger Muhammad be upon him.Harm those who do not follow the last message will go to hell, which is very unpleasant and punishable.And the good ones for heaven will never die, nor will there be any unhappiness in the world that has followed Islam here.Finally I say look for a pure and good religion that is Islam Don't make the mistake of stealing for example. Adultery.When you return you will be more clear.Thank you for reading this message. Thank you for following the pure religion of Islam. I hope you are safe. May God protect us from wrongdoing and sin
@I-am-not-a-number
January 25, 2024 at 7:02 pm
China's President Xi Jinping this morning signed the new security rules into law, widely seen as aiming to criminalize anti-regime statements and protests such as those gathering mass support in 2014 and again in 2019, now punishable by up to 10 years in prison.
@DS222203
January 25, 2024 at 7:02 pm
Im sure this will be taken down but fuck it, Direct question to the BBC goons that read these feeds. What do you think will happen if the people you are holding up in your news reports actually win this fucked up scenario? I can tell you. Your reporters and news readers will be in the position of the majority. EXPOSED, the SJW of this world are watching and laughing at you knowing that what ever your hidden agenda is it, you wont be able to present it as the bbc will not be around, you think by pushing these biased reports will help you in the long run? They will cut you off. If the BBC knew anything (which they clearly dont) about the people they would stop promoting the unjust and support the mass who are funding them (Which by all accounts is becoming a very small number). Be careful what you wish for.
@slappychap969
January 25, 2024 at 7:02 pm
all US Cops are required to be ex-military, or post war military. No wonder they murder people
@slappychap969
January 25, 2024 at 7:02 pm
American Nazi forces…
@iantegrity6192
January 25, 2024 at 7:02 pm
We've seen shootings every day. Teenagers dead! Children dead! Looting! Violence! Vicious attacks! This is a none lethal option. What exactly do you want them to do? Run away like the Met! Paint a rainbow 🌈 Idiots!
Don't mention the January 17th meeting 🤫 Joe thinks he wasn't there. And he didn't mention the Logan Act to Obama and Susan Rice 🤫
@uncle2buc59
January 25, 2024 at 7:02 pm
Fake news. There are a number of safe guards used in the deployment of tear gas. It is not the first thing that is used. It is usually the last thing used after everything else has not worked. The agent used by US law enforcement was never used in warfare. Othoclorobenzalmalonitrile was born from Lewisite. The L50 for US tear gas is much higher than military grade “Tear Gas”, agents. I would think the BBC would do a little home work before putting out such a slanted piece of fake news.
@seabell2343
January 25, 2024 at 7:02 pm
lol at her Progressive hair. Dyed hair used to be cool, punk, goths, Alternative etc. Then LGBT misappropriated and it became a joke. There's nothing more square than LGBT+ died hair. And no make up. I bet she has body hair too.
@radwulfeboraci7504
January 25, 2024 at 7:02 pm
AmeriKKKan police don't get 'how' to police. It's all 0 – 60 in a heartbeat. Police in the US kill 1,500 persons and hospitalize 55,000 more PER YEAR. And it's all based on THEIR perception of your capitulation or resistance. This alone says they should be 'asking for directions'. Nobody in the western democratic world does this or feels they should.