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This was a major advance because the brain contains billions of interconnected nerve cells. Traditional research methods often made it difficult to determine exactly which group of neurons was responsible for a particular behaviour or biological response.

Optogenetics changed that.

Instead of simply watching brain activity, scientists could begin directly testing what happens when specific neurons are switched on or off. This gave researchers a new way to investigate the relationship between individual cells, neural circuits and behaviour.

The Nobel Assembly at Karolinska Institutet said the discoveries opened major new possibilities for understanding how the nervous system functions. Optogenetics has since become widely used in neuroscience laboratories around the world.

Researchers have used the technique to study brain circuits involved in movement, memory, sleep, motivation, addiction and sensory processing. It has also contributed to research into neurological and psychiatric conditions including Parkinson’s disease, epilepsy, schizophrenia and Alzheimer’s disease.

Scientists are also investigating whether technologies inspired by optogenetics could eventually contribute to new treatments. Research is underway in areas including vision restoration and other neurological applications.

However, optogenetics should not be misunderstood as a treatment in which doctors simply shine light onto the human brain. Its greatest impact so far has been as a research tool that allows scientists to investigate the nervous system with a level of precision that was previously difficult to achieve.

The discovery also demonstrates how basic scientific research can lead to unexpected breakthroughs.

Research that began with questions about how simple algae sense and respond to light eventually contributed to a technology capable of controlling activity in individual nerve cells inside living brains.

The three laureates will share the 2026 Nobel Prize in Physiology or Medicine.

Their work has fundamentally changed the way researchers investigate the brain and has provided scientists with a powerful method for exploring some of the most complex questions in neuroscience.

From light sensitive proteins in microorganisms to controlling individual neurons, optogenetics has turned light into a scientific switch for exploring the brain.

One of the biggest differences from many traditional messaging apps is the account system. Instead of depending primarily on a mobile number, XChat uses an existing X identity. This could make the service particularly attractive to people who already use X regularly and do not want to share their personal phone number with every person they communicate with.

The launch also reflects Elon Musk’s wider plan to transform X into a broader digital platform rather than keeping it focused only on social networking. Messaging, payments, video, calling and other services have increasingly become part of that wider strategy.

However, XChat’s privacy and security claims are also receiving attention from cybersecurity researchers. Questions have been raised about how its encryption is implemented, what information may still be visible to the platform, and how its protections compare with messaging services that have established reputations for secure communication.

For users, this means XChat may offer convenient new communication features, but claims about privacy and encryption should still be considered carefully as independent security experts continue examining the technology.

The arrival of XChat puts X into more direct competition with some of the world’s biggest messaging platforms. Whether users will move their private conversations to XChat will depend not only on features, but also on trust, security, reliability and how well the service performs as its user base grows.

XChat is another major step in X’s attempt to evolve from a social media network into a wider communication platform where users can post publicly, message privately, share files and make calls through a single account.

For Kohinoor Energy, the proposal would represent a move beyond its existing electricity generation business and into battery assembly and energy storage technology. The company currently operates a 124 MW power plant in Lahore and sells the electricity generated from the facility to the Water and Power Development Authority.

The potential venture also comes at a time when battery storage is becoming increasingly important in Pakistan. Growing adoption of solar power by homes, businesses and industrial users has increased interest in systems that can store electricity for use when solar generation is unavailable or when grid electricity is more expensive.

Recent industry reporting indicates that Pakistan’s lithium-ion battery market has expanded rapidly. Lithium battery imports reportedly reached a monthly record of about 88 million dollars in July 2026, while projections cited by industry reporting suggest lithium-ion battery pack imports could reach approximately 8.75 GWh by 2030. These figures indicate rising demand, although future market growth will depend on electricity prices, solar adoption, regulation and consumer demand.

Hebei Juhang Energy Technology Group has also previously shown interest in Pakistan’s clean energy and manufacturing sector. In June 2026, the Chinese company entered another cooperation arrangement in Pakistan involving advanced lithium-ion batteries, energy storage systems and electric vehicle charging infrastructure.

If the Kohinoor Energy proposal proceeds to a final investment agreement, local assembly or manufacturing could potentially reduce dependence on fully imported finished battery systems and contribute to the development of domestic energy storage capabilities. However, the companies have not yet announced a factory location, investment amount, construction schedule, financing structure or expected start of production.

The most important point is that the current agreement remains preliminary.

No battery plant has been constructed and no final joint venture agreement has been signed. Kohinoor Energy has stated that the transactions being considered remain subject to further evaluation, due diligence, applicable approvals and the signing of definitive agreements. The company has also said that it will inform the Pakistan Stock Exchange of any material developments in accordance with applicable requirements.

The MoU therefore represents an initial step toward a possible Pakistan-China battery manufacturing partnership rather than confirmation that the proposed plant will definitely be established.

Further developments to watch will include the signing of a final joint venture agreement, confirmation of a manufacturing site, investment details, regulatory approvals, production timelines and the final capacity selected for the first phase.

India was represented at the September 28–30 meeting by Alok Dimri, an additional secretary at the Ministry of External Affairs and India’s National Coordinator for the SCO.

The meeting reviewed Pakistan’s chairmanship calendar and preparations for upcoming ministerial meetings and the summit. Dimri said the agenda centred on regional connectivity, trade, transit and shared prosperity. He said the year-long programme would culminate in the Islamabad summit.

No confrontation between the delegations was reported. Dimri shook hands warmly with Deputy Prime Minister and Foreign Minister Ishaq Dar at the Foreign Office, a gesture that drew attention after the two countries traded sharp words at the United Nations General Assembly.

On his first visit to Pakistan, Dimri said he was happy to be in Islamabad and would like to visit Lahore, Faisalabad and Sialkot. The delegation also toured the Pakistan National Council of the Arts and Naseer Bunda Hockey Stadium, where SCO representatives were briefed on a hockey tournament planned during Pakistan’s chairmanship.

Indian officials say a decision on Modi’s participation will take into account the state of relations with Pakistan and New Delhi’s concerns over cross-border terrorism. Pakistan denies supporting terrorism.

The meeting was multilateral, and no bilateral talks between Pakistan and India were announced.

The division said the adjustment was required because of changes in international Platts rates, premiums and other associated costs.

Current price calculations put government taxes and duties at Rs114 per litre on petrol and Rs100 per litre on high-speed diesel.

The revised rates are applicable for October 2 under the government’s daily petroleum-pricing mechanism.