London hospital accused of testing on puppies for human research
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CDC shooter blamed COVID vaccine for depression; union demands statement against misinformation
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CTV News
2 days ago
- CTV News
Canadian researchers use cameras to tackle aviation climate impact
Using a camera network, the researchers are tracking contrails to mitigate aviation-induced climate change. CTV London's Reta Ismail has the story. Researchers at Western University are tackling aviation-induced climate change – by using existing cameras to track contrails. They're called contrails short for condensation trails, visible in the sky. And according to scientists, these thin white trails impact the environment. 'Aviation is a significant source of climate change impact and a portion of that is not direct CO2 emissions, but the secondary effects that come from contrails,' said Denis Vida, a physics and astronomy professor at Western University. To mitigate the impact of contrails, a team of researchers from Western, along with the Global Meteor Network (GMN), is working with an experienced pilot to change the flying altitude of planes by using ground-based cameras to observe airplanes. 'Small percentage of flights, about 15 per cent, would need to make little corrections just in height that don't cost much to eliminate contrails entirely,' explained Vida. 'The major problem is that, there's no data to inform the models to send the airplanes in the right direction, and we're changing that with our project.' The project is now financially backed by Google and Breakthrough Energy. Vida founded and now coordinates GMN, a game-changing international collaboration that has more than 1,400 cameras globally to capture meteor events and now survey aircraft contrails. This project started after Luc Busquin, an experienced captain with Alaska Airlines and founder of ContrailCast, reached out to Vida about using a GMN meteor camera to observe contrails for climate impact research. 'This solution was answering a need from the contrails researchers that they needed to be able to associate contrails with flights, but they were not able to do. And this solution was an answer to the problem,' said Busquin. Vida says existing geostationary satellite systems on average only detect contrails 30 minutes after formation, limiting their utility for actionable mitigation strategies. GMN, with its global distribution of calibrated cameras that directly observe contrails as they are created, offers a unique opportunity. By the end of the year, the team hopes to deliver the first open-access dataset linking contrails with flights and atmospheric conditions. This will give air traffic controllers and various other stakeholders relevant information to re-organize the flow of flight patterns and create real change in future aircraft designs and technologies.
Globe and Mail
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Alphabet Rises 11% in a Month: Buy, Sell or Hold the GOOGL Stock?
Alphabet GOOGL shares have appreciated 11.3% in the past month, outperforming the broader Zacks Computer & Technology sector's appreciation of 3.8%. The outperformance can be attributed to Alphabet's strong second-quarter 2025 results that revealed the benefits of AI infusion across its Search business and a surge in Google Cloud revenues. In the second quarter of 2025, Google Search and other revenues increased 11.7% year over year to $54.19 billion, surpassing the Zacks Consensus Estimate by 3.04% and accounting for 56.2% of total revenues. Overall queries and commercial queries on Search continued to grow year over year in the reported quarter. Google continues to dominate the Search business, handling over 5 trillion queries annually, per Semrush. The company has been actively embedding AI, especially within Search, to enhance user experience, provide better AI-focused features and consequently improve ad performance. Google accounts for 89.66% market share, followed by Microsoft' s MSFT Bing, with 3.88% share. Google Cloud revenues surged 31.7% year over year to $13.62 billion and accounted for 14.1% of the quarter's total revenues. The figure beat the Zacks Consensus Estimate by 4.24%. The year-over-year growth was driven by growth in Google Cloud Platform (GCP) across core GCP products, AI Infrastructure, and Generative AI Solutions. Google Cloud's annual revenue run rate is now more than $50 billion. The strong growth in Search and Google Cloud has helped Alphabet shares outperform its closest peers in the cloud computing domain, Microsoft and Amazon. According to Synergy Research Group data, Amazon 's AMZN cloud arm, Amazon Web Services, continues to lead with a 30% market share in the second quarter of 2025, while Alphabet and Microsoft had 20% and 13% market share, respectively. GOOGL Stock's Performance AI Push to Boost GOOGL's Prospects Alphabet is advancing visual and contextual search capabilities. The Circle to Search feature is now active on more than 300 million devices. The company is adding functionalities to help people explore complex topics and ask follow-up questions without switching apps. For instance, gamers can now use Circle to Search while playing mobile games to see an AI Overview or answers. AI Overviews now reach more than 2 billion users per month and are available in over 200 countries across 40 languages. It is now driving over 10% more queries globally. Powered by Gemini 2.5, AI Overviews currently delivers the fastest AI responses in the industry. The combination of lens or Circle to Search, together with AI Overviews, is driving multimodal search usage. Google's AI-powered Search features are driving deeper engagement, with AI Mode offering advanced reasoning and multimodal responses. Users are generating queries twice as long as those in traditional searches. The launch of AI Mode in the United States and India — where it currently has more than 100 million monthly active users — is expected to drive further growth. Google Cloud is benefiting from its partnership with the likes of NVIDIA and PayPal PYPL. Google Cloud was the first cloud provider to offer NVIDIA's B200 and GB200 Blackwell GPUs and will be offering its next-generation Vera Rubin GPUs. PayPal will expand its Google Cloud adoption for AI-driven recommendations, transaction processing and enhanced security. The partnership expands the availability and functionality of PayPal's payment services and capabilities across a range of Google products. Google Cloud's expanding clientele is expected to boost Alphabet's top line. In the second quarter of 2025, the number of deals was over $250 million, doubling year over year, and the number of new GCP customers increased by nearly 28% sequentially. Earnings Estimate Revisions Show Upward Trend for GOOGL The Zacks Consensus Estimate for third-quarter 2025 earnings is pegged at $2.32 per share, up 6.4% over the past 30 days, indicating 9.43% year-over-year growth. The consensus mark for 2025 earnings is pegged at $9.94 per share, up 4% over the past 30 days, suggesting 23.6% over 2024's reported figure. Here's Why Investors Should Hold GOOGL Stock Now Alphabet's growing AI capabilities and significant investments in cloud computing bode well for long-term investors. So, investors who have already invested in GOOGL stock should continue to hold it. However, the Value Score of C suggests a stretched valuation for Alphabet at this moment. Alphabet stock is trading at a premium, with a forward 12-month Price/Sales of 6.64X compared with the Zacks Internet Services industry's 5.38X and Amazon's 3.18X. However, GOOGL stock is cheaper than Microsoft's 12X. Price/Sales Ratio (F12M) Regulatory headwinds like the lawsuit between the Department of Justice (DOJ) and GOOGL over Google Search are a concern. The DOJ argues that Google has inked anticompetitive deals with Apple and other companies for prime placement of its search engine and plans to break up Google to separate products like Chrome, Search and Android. DOJ's proposal doesn't bode well for Alphabet, given growing competition from AI-powered products like ChatGPT, Grok, DeepSeek, Perplexity and Meta AI. GOOGL is suffering from a lack of capacity, and until new capacity comes online this year, cloud revenues are expected to witness increased variability. The company expects to invest roughly $85 billion in capital expenditures in 2025, which is aimed at building up technical infrastructure, primarily for servers, followed by data centers and networking. Alphabet currently has a Zacks Rank #3 (Hold), suggesting that it may be wise to wait for a more favorable entry point to start accumulating the stock. You can see the complete list of today's Zacks #1 Rank (Strong Buy) stocks here. See our %%CTA_TEXT%% report – free today! 7 Best Stocks for the Next 30 Days Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report Inc. (AMZN): Free Stock Analysis Report Microsoft Corporation (MSFT): Free Stock Analysis Report Alphabet Inc. (GOOGL): Free Stock Analysis Report PayPal Holdings, Inc. (PYPL): Free Stock Analysis Report This article originally published on Zacks Investment Research (
