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Genetic mapping reveals how cancer grows

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Scientists all over the world have been trying to understand cancer, which is one of the deadliest diseases in the world, for many years.

Researchers have been trying to figure out where cancer comes from and what early treatments can help counter this illness.

Now, researchers have created a map of the prostrate which shows healthy areas and those that contain cancerous cells.

Experts from the Karolinska Institutet, Solna, Sweden, the University of Oxford, and KTH Royal Institute of Technology, Science for Life Laboratory discovered that prostrate tumours have an unknown range of genetic variation.

The team saw what genetic changes take place in the tissue using spatial transcriptomics. Their work can play an immense role in improving early cancer diagnosis.

The study published in the journal Nature said that this technique was better because the older ones take samples from cancerous areas and study the DNA of cells with tumours only. Researchers said that prostrate cancer and others like it are three-dimensional and any one sample should hint toward a tumour.

The lead of the study, Alastair Lamb, said that they were “fairly sure” cancer started with genetic mutations. Lamb said that this amount of clarity was never there before.

To the surprise of the scientists, genetic characteristics of cancer were seen in healthy tissues too. 

In their vast study, researchers scrutinised 150,000 regions in two breast cancers, a lymph node, some skin, some brain tissue, and three prostrates to develop an algorithm that could track cells with similar genetic characteristics.

“Mapping thousands of tissue regions in a single experiment is an unprecedented approach to deconvolute the heterogeneity of tumours and their microenvironment,” said Professor Joakim Lundeberg of KTH Royal Institute of Technology.

He said that high-resolution views can change the way we look at the cancer ecosystem. 

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WhatsApp adds a calendar function to make message retrieval simple.

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The “search by date” tool is an inventive innovation that makes it simple for users to access their favourite previous chats.

Users of Android and iPhone may now search for messages or media on a given day by using the app’s calendar interface, which is a new feature of the update. The laborious process of manually reading through chat history is eliminated by this function, which is especially helpful for regular users who have large message archives.

The announcement was also announced by Meta CEO Mark Zuckerberg on his WhatsApp channel, highlighting the company’s dedication to improving user accessibility and ease.

When users click on the calendar icon and choose a desired date, WhatsApp takes them directly to the messages that were sent and received on that specific day. This makes searching easier, which is especially helpful for those looking for certain details or memories that are hidden in their conversation history.

The addition of the calendar function to WhatsApp’s recent version rollout brings more formatting options for text, including strikethrough, bold, italic, and monospace. Additionally, the platform has given security improvements first priority, guaranteeing a secure environment for its large user base.

Nevertheless, in the middle of these developments, Android users of WhatsApp should be aware of a recent modification pertaining to conversation backups. Google Drive backups of conversations are no longer available for free since they now count against the user’s storage allotment.

To utilise this new feature, users can simply access WhatsApp, select a chat, tap on the name of the person or group, and choose the “Search” option. The calendar interface will then facilitate seamless navigation to messages from the selected date.

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VPNs, X, and Slow Internet Services Are Still Blocked in Pakistan

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Users are reporting poor performance on numerous social media sites due to widespread slowdowns in internet access. Furthermore, X (previously Twitter) has been inaccessible for the past six days, despite the Sindh High Court’s directive to allow access. In the meantime, Pakistan is blocking VPN services.

X Remains Unblockable

On February 17, 2024, the Pakistani government first prohibited access to X when it was discovered that Rawalpindi’s Commissioner had rigged election results. The block is still in effect, even though there has been no official announcement or explanation for it. Despite the Supreme Court’s decision to lift the prohibition, the administration has not yet disclosed any plans for reinstatement. Furthermore, officials are giving media outlets conflicting information about the limitations.

Blocked VPN Services

Virtual private network (VPN) services are being widely blocked nationwide, which exacerbates the problem. Apart from limiting accessibility to X, the government has initiated the banning of prominent VPN providers, impeding users’ capacity to establish connections with any server.

sluggish internet access

There is a noticeable slowdown in internet speeds and a decline in performance across Pakistan. The problem hasn’t been acknowledged by the Pakistan Telecommunications Authority (PTA), nevertheless. Even though internet service providers (ISPs) insist there aren’t any outages, consumers on social media sites are nonetheless complaining about poor access.

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Another X, previously Twitter, outage has affected Pakistan.

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Adding to the current difficulties with online connectivity, internet users in Pakistan experienced yet another disturbance when attempting to use the services of social media site X, formerly known as Twitter.

Users from Islamabad and other regions of the nation were unable to use the site for several hours since the service was down.

The Pakistan Telecommunication Authority (PTA), which is becoming increasingly concerned about the frequent outages, has not made an official remark about the matter.

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