

News
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.
Elon Musk
Tesla’s new Robotaxi geofence shape is an FU by Elon Musk to the competition
Maybe it’s all pareidolia. But maybe it’s not. After all, Tesla embraced the first geofence expansion for what it appeared to be.

Tesla expanded its Robotaxi geofence in Austin once again early Sunday morning. The new shape seems to be somewhat of a proverbial, and potentially literal, middle finger to the competition.
If you thought the first expansion was a message to the competition and doubters of the company’s ride-hailing service, you probably will believe the second expansion is an even stronger gesture.
Tesla’s first expansion did not go unnoticed, as its shape was particularly recognizable. The company has always operated with a sense of humor, and it embraced what it did. Some, including me, took it as a message to competitors: We can expand in any direction, in any size, at any time. We’ll prove it.”
They picked a shape and went with it:
Tesla’s Robotaxi expansion wasn’t a joke, it was a warning to competitors
It is evident that Tesla is keeping its humor up to continue to show a few things. The first is that it really can expand in any direction it wants and that’s how it is choosing to show it.
The second, well, maybe it’s an edgier way to show doubters that it is really executing on Robotaxi:
Tesla has expanded the Austin RoboTaxi network.
Looks like a giant middle finger.
Giant F U to the competition? 🤷🏻♂️ pic.twitter.com/tcaIxdQk10
— Farzad (@farzyness) August 3, 2025
all I see is Tesla giving the middle finger pic.twitter.com/P4otjxSCQm
— Daniel Harding (@ArchamusDK) August 3, 2025
Maybe it’s all pareidolia. But maybe it’s not. After all, Tesla embraced the first geofence expansion for what it appeared to be. This might be a similar occurrence, and it might be sending another message to the competition, critics, and doubters.
The expansion was a near-doubling of the geofence Tesla offered previously. After the initial geofence covered just about 20 square miles, Tesla was able to more than double it to 42 square miles with the first growth. This new geofence shape was just under double, and is about 80 square miles.
Tesla’s rapid expansion has impressed many, especially considering the service area has roughly doubled for the second time in well under two months. The Robotaxi service was first offered on June 22.
Elon Musk
Tesla executes ‘a must’ with Musk as race to AI supremacy goes on: Wedbush
Dan Ives of Wedbush says Tesla made the right move getting Elon Musk his pay package.

Tesla (NASDAQ: TSLA) executed what Wedbush’s Dan Ives called “a must” this morning as it finalized a new pay package for its CEO Elon Musk.
The move helped give Musk his first meaningful compensation at Tesla since 2017, when the company offered a pay package that was based on performance and proven growth. That package was approved by shareholders on two separate occasions, but was denied to Musk both times by the Delaware Chancery Court.
On Monday, Tesla announced on X that it had created a new package that would give 96 million shares of restricted stock to Musk to compensate him for the “immense value generated for Tesla and all our shareholders.”
🚨 BREAKING: Tesla has announced that its Board has unanimously approved a recommendation from the Special Committee of the Board to grant Elon an award of restricted stock equal to approximately one-third of the compensation he earned under the 2018 CEO Performance Award.
The… https://t.co/g7RKrTymDL pic.twitter.com/dnvkILlz6H
— TESLARATI (@Teslarati) August 4, 2025
The details of the pay package are designed to retain Musk, who has voiced some concerns about his control of Tesla, as “activist shareholders” have used lawsuits to disrupt the previously approved package.
You can read all the details of it here:
Tesla rewards CEO Elon Musk with massive, restricted stock package
Ives says Musk’s retention is ‘a must’
Ives said in a note to investors on Monday that with the raging AI talent war that Tesla made a smart move by doing what it could to retain Musk.
He wrote:
“With the AI talent war now fully underway across Big Tech, we believe this was a strategic move to keep TSLA’s top asset, Musk, would stay focused at the company with his priority being to bolster the company’s growth strategy over the coming years. With this interim award increasing Musk’s voting rights upon this grant, which Musk honed in on and mentioned was increasingly important to incentivize him to stay focused on the matters at hand, this was a strategic move by the Board to solidify Musk as CEO of Tesla over the coming years with this framework for Musk’s pay package and greater voting control removing a major overhang on the story.”
He went on to say:
“While the groundwork is now in place for the next few years, it will be critical for the Tesla Board of Directors to get this long-term compensation strategy in place prior to the company’s November 6th shareholder meeting which would address the elephant in the room and remove a significant overhang on the stock.”
Wedbush maintained its Outperform rating and its $500 price target on the stock.
Elon Musk
Tesla CEO Elon Musk reveals ideal timeline for insane self-driving feature
Tesla CEO Elon Musk has extremely optimistic expectations for Full Self-Driving progress by the end of 2025.

Tesla CEO Elon Musk has revealed his ideal timeline for what would likely be the most insane self-driving feature: the ability for drivers to play video games at the wheel.
There are a handful of videos out there of drivers already performing this task. Nobody using Tesla’s Full Self-Driving suite should perform these activities, as the company maintains the system is not fully autonomous.
Drivers are responsible for the vehicle and should be prepared to take over.
Tesla has put a lot of faith in its development of Full Self-Driving and has made tremendous strides over the past few years. Capabilities have gotten more refined and accurate through various methods, including data collection and hardware improvements.
Tesla kicks Robotaxi geofence expansion into high gear in Austin
It has gotten so good that Tesla launched a Robotaxi platform in Austin, Texas, on June 22. Passengers can hop in the back of a Model Y and will be transported around the city in a confined geofence that is about 90 square miles in size. There is nobody in the driver’s seat, but there is a Safety Monitor in the passenger’s seat.
Tesla launched a similar experience in California’s Bay Area last week, but the company has placed the Safety Monitor in the driver’s seat for that region for the time being.
Eventually, Tesla will get to a point where no monitor is needed, and the vehicles will be able to drive themselves. Many believe that it is a few years away, but Musk believes Tesla could achieve it very soon.
After a video of someone playing Grand Theft Auto in their Cybertruck while operating Full Self-Driving was shared on the social media platform X, Musk said this capability would be available in “probably 3 to 6 months, depending on regulatory approval in your city and state.”
Probably 3 to 6 months, depending on regulatory approval in your city and state
— Elon Musk (@elonmusk) August 3, 2025
It is important to remember that Musk has been very optimistic regarding autonomy timelines with Tesla projects. We heard for many years that the company would have self-driving vehicles “by the end of the year,” and those projects did not come to fruition.
While there was progress, there were no fully autonomous vehicles or software versions for customers.
With that being said, Tesla has made tremendous strides in its quest for autonomous vehicles this year, and launching a Robotaxi platform was a huge step in the right direction.
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