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Scientists genetically engineer houseplant to remove carcinogens from air
Scientists at the civil and environmental engineering department at the University of Washington have genetically modified a common houseplant to break down toxic molecules present in chlorinated water and gasoline. The plant, “pothos ivy”, was engineered to express a protein called 2E1 which enables the breakdown of benzene and chloroform into components the plant can use for its own needs. The targeted chemicals are found in small amounts inside typical households, building up over time, but the size of their molecules is too small to be caught by HEPA filters. Since exposure to these chemicals has been linked to cancer, this scientific accomplishment is good news for human health.
In their study published on December 19, 2018 in the journal Environmental Science & Technology, researchers Long Zhang, Ryan Routsong, and Stuart E. Strand described the process they used to modify the pothos ivy plant. The plant was chosen because it was robust and able to grow under many different conditions, and the protein used – P450 2E1, “2E1” for short – is naturally present in all mammals. In humans, 2E1 is in the liver and only turns on to break down alcohol, thus it’s not helpful for breaking down air pollutants. For this reason, the team’s work was focused on making its functionality available outside of the body – they call it a “green liver” concept.

A synthetic version of the 2E1 protein occurring in rabbits was introduced to the pothos ivy so that every cell expressed it. In a test tube trial performed after the genetic modification, chloroform concentration dropped 82 percent after three days, undetectable by six days, and the benzene concentration dropped 75 percent by day eight in vials containing the plants and respective gases. To achieve the benefits of the modified functionality in a household setting, the chemicals will need to be moved to where the plant is located. “If you had a plant growing in the corner of a room, it will have some effect in that room,” Stuart Strand, one of the scientist in the study, said. “But without air flow, it will take a long time for a molecule on the other end of the house to reach the plant.”
Benzene is a common industrial chemical used to make plastics, dyes, detergents, and pesticides, among other things, and is generally found in both rural and urban areas. Its links to cancer are very clear – the most common being leukemia – which has led to significant regulation. While the amount most are exposed to is very low, over time it can build up, especially in areas with heavy traffic, cigarette fumes, and low ventilation. Chloroform is a chemical used that can be released into the air when chlorine is used to clean drinking water, waste water, and swimming pools. Although no direct association between cancer and inhaled exposure to chloroform, the Environmental Protection Agency (EPA) considers it to be a probable human carcinogen due to studies linking high exposure via oral ingestion to cancer.
The process of engineering the plant to function as desired took the team over two years, a significant amount of time compared to the months-long processes of other similar modification projects. However, the time spent was considered to be worthwhile due to both the results achieved and the hardiness of the plant used. They are now working to add the breakdown of formaldehyde to the plant’s capabilities using a different protein. Formaldehyde is a substance present in most building products and tobacco smoke that is also linked to cancer, asthma, and allergies.
News
Tesla’s latest Robotaxi job posting takes the whole program a step forward
On Tuesday, Tesla posted a new job for a Senior Insurance Claims Specialist, Robotaxi, the first of its kind.
Tesla’s latest Robotaxi job posting goes beyond what has been posted in the past and truly takes the entire program a step forward.
Tesla has been hiring some employees for Robotaxi, but a vast majority of the job postings have been related to Vehicle Operator positions, meaning the people who are Safety Monitors or Validation Vehicle Drivers.
Some job postings have hinted at Robotaxi expanding to new cities.
However, on Tuesday, Tesla posted a new job for a Senior Insurance Claims Specialist, Robotaxi, the first of its kind.
The job description says the employee will “oversee the company’s corporate insurance, risk management and surety programs across all business components.” Additionally, it says the position plays “a critical role in managing incident reporting a claim processes for Tesla Robotaxi and ride-hailing operations.”
🚨Buckle up — shit’s about to get real.
Tesla hires Senior Robotaxi Insurance Claims Specialist. pic.twitter.com/RAdjJCYCeS
— Tesla Yoda (@teslayoda) November 5, 2025
Essentially, Tesla could be looking to prepare for when it eventually will have to take liability for accidents completely. This would be when the company launches fully autonomous vehicles, meaning Cybercab and the Robotaxi program, specifically. It would also include passenger vehicles with Full Self-Driving.
Tesla is currently operating a Robotaxi program in Austin, Texas, as well as a ride-hailing platform in the California Bay Area.
These programs are the company’s first foray into ride-hailing, with or without someone in the driver’s seat of the vehicle. In Austin, Tesla operates most of its rides without a Safety Monitor in the driver’s seat. Only freeway routes require the Monitor to be directly behind the wheel.
In California, someone sits in the driver’s seat at all times.
The job posting seems to indicate that things could be relatively close in terms of solving self-driving, especially if Tesla is looking to fill a role that would handle autonomous insurance claims.
Of course, it will take Tesla to solve autonomy, and with the company aiming to start Cybercab production (without a steering wheel) in Q2 2025, it surely feels like it is on the brink of something great.
News
Tesla snags Lamborghini alum to help in newly entered market
Tesla has snagged a Lamborghini alum to help with its entrance into a new market, which has proven to be an intricate situation for the automaker.
A report from Bloomberg states that Tesla has hired Sharad Agarwal, who was formerly employed by the Italian luxury carmaker, to run its operations in India. With Lamborghini, he was employed to handle operations in India.
Tesla launches in India with Model Y, showing pricing will be biggest challenge
Tesla has gone through quite a few different team members with its launch in India, starting with a few hirings a few years ago, well before the company actually committed to selling cars in the country.
The move helps Tesla streamline its executive decision-making process, as it previously had employees in India reach out to managers based in China, among other areas. Agarwal will be stationed in India and will handle the company’s operations.
Tesla’s mentality behind the strategy is to have local leadership, something that seems to cater to the market specifically.
Tesla had previously put Isabel Fan, the manager of Southeast Asia for the company, in the position. However, Tesla seemed to want someone who was more permanent and would be dedicated to India exclusively.
India has the largest population on Earth and has a massive automotive market for that reason. Tesla stands to gain a lot from a strong performance in India, and its clean energy vehicles could help with pollution of all kinds in the region.
Tesla’s path to entrance in the Indian market was a long one, as the company tried for nearly ten years to get into the elusive region. Back in 2016, CEO Elon Musk said Tesla “would love to be in India,” teasing the Model 3.
By 2017, Tesla had met with officials from the country, but tried to get import duties down to nothing from 100 percent.
Indian authorities denied Tesla’s request.
For years, Musk met with Prime Minister Narendra Modi to try and iron out a deal of some sort. Nothing truly came to fruition, at least until last year, when real movement started.
By 2024, India had introduced a strategy to reduce import duties for some companies, which was enough for Tesla to make a move. It is now 2025, and the company still has not committed to building a factory in the region. However, it is not completely out of the question.
News
Tesla Sentry Mode helps lock up drive-by shooting suspect in Seattle
“A nearby Tesla actually captured the video that showed a man crouched behind a vehicle firing gunshots. A lot of vehicles record, and officers know that Teslas, especially, record, so we use that video all the time in these instances.”
Police in Seattle, Washington, are crediting Tesla’s well-known Sentry Mode for helping find a suspect in a drive-by shooting case.
A 21-year-old was arrested for an alleged drive-by shooting in the Pioneer Square neighborhood of Seattle this past Sunday, and the leads on the case seemed to be slim.
However, a Tesla parked nearby was able to record the shooting, as well as the car that the suspect hopped in after the crime occurred. It helped police identify the person they were looking for.
Seattle Police Department Detective Brian Pritchard said to MyNorthwest that the Tesla was a critical part of finding the suspect and placing him under arrest:
“A nearby Tesla actually captured the video that showed a man crouched behind a vehicle firing gunshots. A lot of vehicles record, and officers know that Teslas, especially, record, so we use that video all the time in these instances.”
The Tesla footage helped the Police put the suspect into handcuffs about an hour after the crime was committed. They are currently charged with drive-by shooting and unlawful possession of a firearm.
Tesla Sentry Mode is a security feature the vehicle utilizes to help solve crimes like vandalism, but it is also a cool feature that has caught things like accidents and other incidents on camera.
Many people still do not know about it, including the many vandals who keyed or broke the windows of Teslas earlier this year, as people damaged others’ cars in an act of retaliation against CEO Elon Musk when he became involved in politics.
This is far from the first time Sentry Mode has helped Police Departments solve crimes. Last September, we reported on Oakland’s Police Department in California using Teslas near crime scenes to help solve cases.
Tesla Sentry Mode is Oakland PD’s secret weapon against rising crime
Sergeant Ben Therriault, president of the Richmond Police Officers Association, said, “We have all these mobile video devices floating around,” in reference to the Teslas that sit and capture nearly everything that surrounds them.
Sentry Mode has helped officers arrest a variety of suspects, including several people who were allegedly involved in the murder of a 27-year-old woman in Northern California.
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