Apple 'Air' Product Teased, DeepSeek's Theoretical 545% Margin, and Massive Gold Hydrogen Reserves Located

This Discover Daily podcast episode covers three significant tech and science developments. First, it discusses Apple's cryptic teaser hinting at a new MacBook Air launch, potentially featuring the M4 chip and significant performance upgrades. Second, it analyzes the controversial claim by Chinese startup DeepSeek of a 545% cost-profit margin for its AI models, highlighting the debate around the accuracy of this figure and its impact on AI-related stocks. Finally, it reports on the discovery of vast "gold hydrogen" reserves in the US, emphasizing the potential for clean energy production from this previously underestimated source. The episode concludes with a brief update on Perplexity's new deep research feature.