Latest Interviews

Can science help poor kids earn more?

Neuroscience research confirms that long-term child development benefits more from active conversational turns than passive vocabulary exposure, with data-driven "talk pedometer" interventions successfully increasing hourly word counts by 32% to help close the socioeconomic achievement gap. Despite these communication-focused successes, the persistent stagnation of educational disparities has sparked debate over Professor Catherine Page Harden's proposal to integrate genetic analysis into school policy for predicting academic outcomes. While proponents argue that genetic testing could enable targeted interventions to improve social mobility, critics warn of historical eugenics parallels and the ethical risks of reinforcing social hierarchies through genetic determinism.

How vegan burgers can help save the planet

Jon Fasman

Global food production now accounts for one-third of greenhouse gas emissions, a trajectory that threatens to exceed climate targets unless current consumption habits shift away from animal agriculture. While plant-based alternatives and emerging cultured meat technologies offer substantial environmental benefits, their widespread adoption is hindered by high costs, limited scalability, and deep-seated consumer resistance to dietary change. Industry experts and researchers argue that bridging this gap requires not only technological innovation but also robust regulatory frameworks to support a just transition for livestock producers.

Why it's harder to earn more than your parents | The Economist

Sophie Pender, Mohsin Ismail, Kavika Smith, Christine, Novelette, Sally Grantham-McGregor, Dawn, Idrees Kahloun

Declining social mobility in the US and UK, driven by rising inequality and educational barriers, has prompted researchers to identify geographic location, early childhood interventions, and state school networks like the "93% Club" as critical levers for reform. Comparative data highlights that while legacy admissions and wealth bias stifle progress in American universities, programs relocating families to high-opportunity areas and reducing SAT reliance have demonstrably increased long-term earnings and tax revenues. These findings suggest that structural changes to education and neighborhood composition offer a fiscally sustainable path to reversing intergenerational income stagnation.

How to keep cool while the world gets hotter

Sarah El-Batouti, Eleni Miravili, Vijay Vaideswaran

Record-breaking heat waves and a growing reliance on fossil-fuel-powered cooling systems are accelerating a dangerous feedback loop, with global air conditioning usage projected to drive emissions up by 90% by 2050 if left unaddressed. To mitigate this crisis, innovators and policymakers are deploying a mix of passive building designs, natural cooling strategies, and urban greening initiatives in cities like Athens and Cairo to reduce temperatures without exacerbating the problem. Successful long-term outcomes depend on scaling affordable, low-energy technologies globally to ensure developing nations can meet cooling demands while avoiding high-end exclusivity and further environmental degradation.

Embark Trucks' Application Video for YC W16

Alex, Mike, Brandon

Varden Labs, founded by former University of Waterloo roommates Alex, Mike, and Brandon, is developing "Marvin," a transportation prototype leveraging the team's combined expertise in software, mechanical, and electrical engineering. Each founder brings specialized industry experience, including internships at Khan Academy and Thalmic Labs alongside a history of aggressive startup development and custom hardware creation. The trio operates with high confidence that their collaborative background and technical depth will successfully transform the future of personal transportation.

Russia: how Putin is silencing his opponents

Putin

Following the 2020 attempted assassination of Alexei Navalny, the Russian Kremlin escalated repression by labeling his Anti-Corruption Foundation an extremist organization, resulting in over 11,000 arrests and the criminalization of dissent during the January 2021 protests. The state leveraged a rigged judicial system and pandemic protocols to systematically eliminate opposition figures, ensuring United Russia retained a supermajority that permitted constitutional changes extending Vladimir Putin's rule through 2036. Concurrently, intensified censorship against independent media and a massive political exodus have characterized an environment where economic decline and high fear of violence coexist with a government that prioritizes security spending to maintain a monopoly on power.

What’s the future of food?

Jon Fasman

With food production responsible for over one-third of global emissions and rising meat consumption in developing nations exacerbating the crisis, the industry is turning toward lab-grown meat, insect farming, and vertical agriculture to decarbonize supply chains. While these innovations face significant hurdles such as the high cost of synthetic growth media for cellular agriculture and the energy intensity of vertical farms, they offer precise bio-engineering advantages to address nutritional deficiencies and eliminate fertilizer runoff. Historical precedents suggest that despite current consumer resistance rooted in cultural traditions, these novel food systems will likely achieve widespread adoption as renewable energy reduces operational costs and scalability challenges are resolved.

Who should fix climate change?

Sasha Nauta, Katrine Braik, Oliver Morton

The discussion establishes that democratic governments must lead climate action through policy intervention, citing Germany's solar subsidies as proof that state support is essential for market transformation where laissez-faire approaches fail. Corporate leaders are expected to integrate climate strategies into core business models rather than relying on individual goodwill, a shift exemplified by Tesla's high-margin entry strategy and Microsoft's commitment to offsetting its entire historical carbon footprint. By coupling sharp emissions reductions with economic growth, the event argues that prioritizing long-term systemic protection for vulnerable populations is the only viable path to a sustainable future.

Tesla AI Day Highlights | Lex Fridman

Lex Fridman

Tesla's recent AI Day presentation detailed a fundamental shift from 2D image processing to direct 3D vector space prediction, leveraging multi-scale feature fusion and spatial RNNs to solve complex autonomous driving and robotics perception challenges. This technical evolution is powered by the in-house Dojo supercomputer and a self-supervised fleet auto-labeling system that continuously retrains neural networks on 10,000 GPUs to drive an infinite scaling loop for both vehicles and the Tesla Bot. The underlying architecture is designed to be transferable across domestic, factory, and humanoid applications, positioning the company as a potential competitor in large-scale AI training services beyond the automotive sector.

What is net zero?

Vijay Vaitheeswaran

Over fifty nations and major global entities have committed to the Paris Agreement goal of balancing greenhouse gas emissions with removals by the mid-to-late 21st century, a target essential for curbing the annual 40-billion-tonne carbon output of the current economy. While established methods like reforestation offer immediate relief, the strategy increasingly relies on unproven negative emission technologies to handle hard-to-abate sectors, creating a strategic risk that delayed emission cuts will be offset by future innovations. This transition faces significant hurdles, including disputes over accountability between historic and emerging emitters and the absence of universal accounting policies, leaving the achievement of net zero as a complex endeavor requiring unprecedented global cooperation beyond mere technological solutions.

Covid-19: why your life will never be the same again

James Francham, Tom

The Economist has developed a global normality index tracking behavioral shifts across 50 nations in transport, leisure, and business to quantify the transition from pandemic restrictions to post-pandemic norms. Historical precedents like the Black Death and the 1918 flu inform the analysis of how health crises drive structural change, while current data suggests a hybrid world is emerging where retail habits and office occupancy permanently settle between pre-pandemic levels and new digital realities. Although long-term outcomes depend on future vaccine efficacy, the index confirms that society is moving toward a "normality tracker" that captures simultaneous acceleration of remote work and revival of mid-century trends like drive-throughs.

Crypto: will the bitcoin dream succeed?

Mathieu Favas

This analysis examines Bitcoin's 2021 trajectory as a volatile investment asset rather than a functional currency, highlighting its extreme price fluctuations, low transaction efficiency compared to traditional payment networks, and massive environmental energy consumption. The discussion covers the decentralized architecture created by Satoshi Nakamoto, the lack of central bank safeguards, and the mixed adoption landscape where El Salvador legalized tender while regulators restrict institutional capital and criminals exploit the system. Experts remain divided on whether the capped supply of 21 million coins represents a nascent asset class comparable to gold or a speculative bubble destined to burst like historical financial manias.

Sarah Fitz-Claridge - Taking Children Seriously | The Lunar Society #15

Sarah Fitz-Claridge, Dennis Hackethal

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Can Brazil Survive Bolsonaro?

Bolsonaro, Joe Biden, Lula, Sarah Maslin

Set against Rio de Janeiro's backdrop of systemic corruption, high police violence, and pandemic-driven healthcare strain, President Jair Bolsonaro navigated a political crisis marked by Brazil's highest global death toll in April 2020 and a catastrophic rise in Amazon deforestation. Although his 2018 election capitalized on anti-corruption sentiment and evangelical support through an initial emergency welfare program, his approval ratings have since collapsed below 30% due to soaring unemployment, the withdrawal of economic aid, and failed anti-corruption reforms that protect his family. As the nation approaches the 2022 presidential rematch between Bolsonaro and Luiz Inácio Lula da Silva, democratic institutions like the Supreme Court continue to check executive overreach while analysts warn of escalating tension between the military, the government, and long-term democratic stability.

Covid-19: how many people have died?

Sondre Ulvand-Solstad

The Economist's statistical model revises global pandemic mortality to approximately 10 million deaths, significantly exceeding official counts due to severe underreporting in developing nations and specific outliers like Russia. By analyzing 121 demographic and geographic indicators, the study reveals that current daily death spikes, particularly in India, signal a shift where the virus is driving mass mortality in less internationally connected regions. These findings reclassify several countries based on excess deaths while noting that demographic age structures and reduced transmission of other infectious diseases create complex regional disparities in fatality rates.