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Days after walking out from Nikhil Kamath’s podcast over bad AQI, Bryan Johnson says Indians justifiably outraged by poor air quality

This comes days after Johnson, known for his work in anti-ageing research, made headlines for walking out of a podcast with Zerodha CEO Nikhil Kamath, citing pollution as the reason.

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Days after walking out from Nikhil Kamath’s podcast over bad AQI, Bryan Johnson, the tech entrepreneur and longevity advocate, has voiced his support for Indians who are “justifiably outraged” by the daily exposure to dangerously poor air quality, which leads to severe health consequences.

In a recent post on X (formerly Twitter), Johnson shared a groundbreaking study that underscores the far-reaching effects of air pollution, including liver inflammation, fibrosis, blood fat imbalances, and gene dysregulation linked to cancer. The study reinforces the alarming truth that there is no safe level of PM2.5 exposure.

This comes days after Johnson, known for his work in anti-ageing research, made headlines for walking out of a podcast with Zerodha CEO Nikhil Kamath, citing pollution as the reason.

The research, conducted on mice, revealed that prolonged exposure to low levels of traffic-related PM2.5 pollutants over 12 weeks caused liver inflammation, fibrosis, and blood fat imbalances, he said. Additionally, the mice exhibited liver protein markers associated with alcoholism and gene dysregulation linked to cancer. These findings highlight the systemic damage caused by air pollution, extending far beyond the lungs and respiratory system.

Sharing the details, he said PM2.5, or particulate matter smaller than 2.5 micrometres, is a notorious air pollutant commonly emitted by traffic and combustion engines. These tiny particles can penetrate deep into the lungs, enter the bloodstream, and wreak havoc on multiple organs.

To simulate real-world conditions, researchers collected PM2.5 particles from busy roadsides and introduced them into the nasal passages of mice via a saline solution. A control group was exposed to a pollutant-free solution for comparison.

The study serves as a stark reminder that air pollution has no safe threshold and must be treated as a critical public health priority. For heavily polluted regions like India, addressing air quality could add more years to average life expectancy than curing all cancers combined. The research also provides mechanistic evidence of how air pollution causes widespread damage to the body.

Johnson also shared practical tips to minimize personal exposure to PM2.5:

  1. Monitor Air Quality: Use platforms like IQ Air or carry a personal air quality monitor.
  2. Wear N95 Masks: Essential in highly polluted environments.
  3. Upgrade Home HVAC Systems: Install filters with a MERV 13 rating or higher.
  4. Use Car Air Recirculation: Activate it on polluted roads, but limit full recirculation to short durations to avoid CO2 buildup.
  5. Opt for Partial Recirculation: If available, this mode reduces PM2.5 while maintaining safe CO2 levels.
  6. Invest in HEPA Filters: Ideal for homes in high-traffic or wildfire-prone areas.

Johnson’s post has reignited the conversation about air pollution’s devastating impact, urging governments and individuals to take immediate action to combat this invisible yet deadly threat.

India News

Google announces country-specific domain names for its search page

This transition to a centralised domain may help Google optimise AI performance in delivering relevant search results.

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In a significant move aimed at unifying its search experience, Google has announced plans to phase out country-level domain names, such as google.ng for Nigeria and google.com.br for Brazil. Instead, the tech giant will redirect users globally to a standardised domain, google.com. This decision aligns with Google’s ongoing effort to enhance search functionality and accessibility, building on the improvement in local search capabilities introduced in 2017.

In a recent blog post, Google explained that it will begin redirecting traffic from these country code top-level domains (ccTLDs) to google.com. This transition will be implemented gradually over the coming months. Users may be prompted to adjust their search preferences during this process, as the company works to streamline the user experience.

“Historically, our approach to delivering localised search results relied on ccTLDs,” Google stated. “However, our capability to offer localised experiences has evolved significantly, making these distinctions unnecessary.” The company reassured users that the core functionality of its search platform will remain unchanged and that compliance with various national regulations will continue.

This initiative reflects Google’s commitment to improving how search results are tailored to individual users without the need for separate country-specific domains. While the official rationale emphasises enhancing global user experience, some industry experts speculate that the change may also be motivated by a desire to better integrate artificial intelligence (AI) into search results, potentially leading to reduced operational costs.

Google employs AI Overviews, a tool designed to aggregate information from a broad range of online sources to provide concise responses to user inquiries. This transition to a centralised domain may help Google optimise AI performance in delivering relevant search results.

Overall, as Google implements this shift, users can expect a more unified search experience. While changes in browser addresses may occur, Google emphasises that the way search operates and its compliance with national laws will remain consistent. This strategic shift signifies Google’s ongoing efforts to adapt to the evolving digital landscape and user needs globally.

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In HUL vs HCL defamation case, Delhi HC orders take down of Lakme sunscreen ad disparaging Derma Co

Honasa, in its plea to the Delhi High Court, argued that HUL’s claims are misleading and disparage competitors, damaging their reputation. In retaliation, HUL filed a countersuit against Honasa in the Bombay High Court, escalating the corporate feud.

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A legal showdown between Honasa Consumer Ltd. (HCL), the parent company of Mamaearth, and Hindustan Unilever Ltd. (HUL), which owns Lakmé, reached the Delhi High Court this week, with both FMCG giants filing defamation lawsuits against each other. On Thursday, the court ordered HUL to pull its current Lakmé sunscreen advertisements, prompting the company to agree to revise its campaign by removing references to “online bestseller” and altering the depicted packaging colours.

The dispute centres on Lakmé’s recent “SPF Lie Detector Test” campaign, which HCL alleges unfairly targets its Derma Co. sunscreen by questioning the efficacy of rival products.

In the ads, HUL claims that some “online bestseller” sunscreens, marketed as SPF 50, provide protection closer to SPF 20, based on in-vivo testing data from the past decade. While no brands are explicitly named, visuals juxtaposing yellow bottles—resembling Derma Co.’s packaging—against Lakmé’s sparked Honasa’s ire.

Honasa, in its plea to the Delhi High Court, argued that HUL’s claims are misleading and disparage competitors, damaging their reputation. In retaliation, HUL filed a countersuit against Honasa in the Bombay High Court, escalating the corporate feud.

The controversy erupted when Ghazal Alagh, co-founder of Honasa, took to LinkedIn to criticise the FMCG sector’s lack of competitive drive, suggesting that legacy brands like HUL have grown complacent. Her comments were seen as a direct jab at Lakmé’s campaign, which challenges the SPF claims of newer sunscreen brands dominating online markets. “The industry needs fresh competition to shake things up,” Alagh wrote, igniting a public spat.

Lakmé’s campaign asserts that some top-selling sunscreens falsely claim in vivo testing—a method involving live organisms like humans or animals—while delivering subpar protection. In a social media statement, Lakmé doubled down, saying, “Certain online bestsellers advertise SPF 50, but their in-market samples test closer to SPF 20.”

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Sensex and Nifty jump nearly 2% as US suspends additional 26% tariffs on India until July 9

Foreign Institutional Investors (FIIs) had sold equities worth ₹4,358.02 crore on Wednesday, signaling caution, but Friday’s momentum suggested a shift in sentiment.

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Indian stock markets staged a robust rally on Friday, with the BSE Sensex skyrocketing 1,310.11 points, a 1.77% gain, to close at 75,157.26. The NSE Nifty followed suit, climbing 429.40 points or 1.92% to settle at 22,828.55, breaching the 22,900 mark during intra-day trading. The surge came on the heels of a White House announcement suspending additional tariffs on India for 90 days until July 9, offering a reprieve amid global trade tensions.

The US decision, detailed in recent executive orders, pauses levies that President Donald Trump had imposed on April 2, targeting India and roughly 60 other nations. Those duties threatened Indian exports ranging from steel to shrimp, raising concerns about competitiveness in the US, the world’s largest economy. The temporary suspension sparked optimism among Indian investors, propelling gains across major sectors.

Leading the charge among Sensex constituents were heavyweights like Tata Steel, Reliance Industries, Power Grid, NTPC, Kotak Mahindra Bank, and Adani Ports. However, not all stocks joined the rally—Asian Paints and Tata Consultancy Services lagged behind, unable to capitalize on the upbeat mood.

Vinod Nair, Head of Research at Geojit Investments Limited, attributed the market’s buoyancy to the tariff relief. “The unexpected pause on US tariffs provided a much-needed breather amid global uncertainties,” Nair noted. He added that while a major IT firm’s recent results fell short of expectations, its robust order book signaled potential growth in the latter half of FY26.

The Indian markets’ performance stood in stark contrast to global trends, where fears of a US-China tariff war cast a shadow. On Friday, China escalated its trade spat with the US, hiking tariffs on American imports to 125% in response to Washington’s 145% levies on Chinese goods.

Asian markets reflected the unease, with Tokyo’s Nikkei 225 plunging nearly 3% and South Korea’s Kospi slipping, though Shanghai’s SSE Composite and Hong Kong’s Hang Seng bucked the trend with gains. European markets traded lower, while US indices had closed sharply down on Thursday, with the Nasdaq tumbling 4.31%, the S&P 500 falling 3.46%, and the Dow Jones shedding 2.50%.

Back home, the rally followed a lackluster Wednesday, when the Sensex dipped 379.93 points to 73,847.15 and the Nifty fell 136.70 points to 22,399.15. Thursday’s market holiday for Shri Mahavir Jayanti gave investors a pause before Friday’s surge. Foreign Institutional Investors (FIIs) had sold equities worth ₹4,358.02 crore on Wednesday, signaling caution, but Friday’s momentum suggested a shift in sentiment.

Elsewhere, global oil prices edged up, with Brent crude rising 0.32% to $63.53 a barrel, reflecting ongoing volatility in commodity markets.

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