Latest Interviews
Showing 346–360 of 362 transcripts.
Clear all filters- The Economist13 min
What is consciousness? | The Economist
Leading neuroscientists and philosophers such as Francis Crick, Christoph Koch, David Chalmers, and Daniel Dennett continue to debate whether consciousness is an objective neural mechanism or a subjective "hard problem" that resists reductionist explanation. Recent breakthroughs, including the discovery that electrical stimulation of the claustrum can temporarily induce unconsciousness, are helping researchers identify specific neural correlates to solve the binding problem of integrating sensory inputs. Despite these advances in mapping brain mechanics and evolutionary theories regarding self-awareness, the scientific community has not yet bridged the gap between explaining physical processes and accounting for the subjective experience of being.
- The Economist11 min
Why does time pass?
John Archibald Wheeler, Albert Einstein, Hermann Minkowski, Arthur Eddington, Ludwig Boltzmann
This discussion explores the dual nature of time as both a philosophical concept and a physical dimension governed by Einstein's relativity, where gravity and velocity fundamentally alter the flow of time relative to the observer. The event details how the Second Law of Thermodynamics establishes the unidirectional "arrow of time" through increasing entropy, distinguishing physical law from the human perception of a perpetual present. While theoretical physics permits future travel through extreme gravitational time dilation or speculative wormholes, practical constraints and the irreversibility of entropy currently prevent backward time travel or the stabilization of shortcuts in spacetime.
- The Economist11 min
What caused the Cambrian explosion?
Approximately 542 million years ago, the Cambrian explosion marked a sudden diversification of animal life from simple marine organisms to complex, predatory ecologies following the Ediacaran period. While hypotheses for this trigger range from rising oxygen levels and mineral availability to ecological feedback loops driven by bilateral symmetry and the evolution of vision, significant debate persists regarding the specific role of sensory systems in initiating the event. Ultimately, this biological "big bang" established the evolutionary trajectory that led to modern humans, as primitive fish and other ancestral forms emerged from this rapid diversification.
- The Economist8 min
What is the universe made of?
Current cosmological models indicate that the universe is composed of approximately 5% normal matter, with dark matter forming 27% of its mass-energy content and dark energy comprising the remaining 68%. While dark matter acts as the gravitational "master builder" through invisible halos that allow galaxies to form, dark energy serves as a uniform force driving the accelerating expansion of the cosmos, a discovery first made by observing distant supernovae in the late 1990s. Ongoing research at facilities like the Large Hadron Collider and various direct detection experiments seeks to identify the nature of these components, which could ultimately determine whether the universe faces a Big Rip, a Big Crunch, or indefinite expansion.
- The Economist9 min
Do we live in a multiverse?
Dr Tegmark, Alan Guth, Andrei Linde, Max Tegmark
MIT physicist Max Tegmark categorizes multiverse hypotheses into four distinct levels, ranging from distant regions of an infinite universe to separate quantum branches and self-sustaining bubble universes with different physical laws. While proponents argue that observational evidence for cosmic inflation makes the multiverse a logical extension of modern cosmology, the hypothesis remains controversial due to the fundamental inability to empirically verify structures beyond our cosmic horizon. Accepting this framework would necessitate a profound paradigm shift in our understanding of reality, comparable to the historical transition from geocentrism to heliocentrism.
- The Economist11 min
Life in the universe
Frank Drake, Martin Rees, Stephen Hawking, Yuri Milner, Jack Szostak
Recent astronomical data reveals billions of Earth-like planets in the Milky Way, prompting expanded searches for extraterrestrial intelligence through projects like Breakthrough Listen and the upcoming James Webb Telescope. Researchers are simultaneously investigating local habitability on Mars, Europa, and Enceladus while laboratories such as Jack Szostak's attempt to synthesize life from primordial chemicals. These dual efforts aim to determine whether life is a cosmic inevitability or a rare phenomenon by analyzing biosignatures and achieving spontaneous self-replication in protocells.
- Goldman Sachs35 min
Dr. Eric Kandel, Nobel Prize-winning Neuroscientist: Talks at GS Session Highlights
A comprehensive analysis of memory systems distinguishes between localized brain functions, such as Broca's and Wernicke's areas, and the dual nature of memory identified in patient H.M. as either explicit or implicit. Research into storage mechanisms reveals that long-term memory relies on the CREB transcription factor and RBAB48 protein to physically grow synaptic connections, while age-related decline stems from a specific deficit in the dentate gyrus distinct from Alzheimer's pathology. This decline is reversible through interventions like injecting osteocalcin or engaging in physical exercise, which boost necessary protein levels to restore cognitive function in aged models.
- Y Combinator23 min
Jessica Livingston Speaks at Female Founders Conference 2015
The event details Y Combinator's evaluation criteria, which prioritize founder determination and character over demographics, resulting in an acceptance rate for female founders that mirrors the applicant pool. It outlines the organization's origin as a non-profit experiment that evolved into a profitable model supported by a familial alumni network designed to mitigate critical issues like co-founder disputes. Key figures emphasize their unique "social radar" interview process and the ongoing commitment to open-source investment tools and founder education to sustain the community's integrity.
- Y Combinator28 min
Danae Ringelmann at Startup School SV 2014
Indiegogo founder Denae Robinson launched the world's largest global crowdfunding platform in 2008 to democratize access to capital after witnessing systemic barriers prevent entrepreneurs and artists from securing funding. Facing a prolonged fundraising drought that forced the team to forgo salaries for four years, Robinson pivoted the company to an open, internet-based model featuring flexible funding options that enabled breakthroughs like uBiome's market validation and the Hour of Code initiative's massive educator mobilization. Guided by a culture of fearlessness and diversity, the organization has established itself as a meaningful tool for solving fundamental problems, earning recognition from figures like Bill Gates and the White House for its societal impact over immediate financial returns.
- Y Combinator32 min
Ian Hogarth
Founded in 2007 by Ian Hogarth and backed by Y Combinator, Sequoia, and Index, Songkick has grown into the second most trafficked global concert service with over 10 million monthly users. The company succeeded by overcoming extreme industry consolidation through a strategic framework prioritizing high-quality data, frictionless user gratification, and the resilience to survive early operational hurdles. Its journey illustrates that long-term viability in consolidated entertainment markets requires adapting to platform shifts while maintaining a tight-knit founding team to navigate periods of significant market friction.
- Y Combinator23 min
Chris Dixon at Startup School 2013
The discussion analyzes the strategic paradox where high-potential startups thrive by identifying "secrets"—contrarian truths dismissed by mainstream incumbents as bad ideas or toys. Through historical case studies like Google, Airbnb, and eBay, the event demonstrates that superior domain expertise and direct life experience allow founders to solve problems ignored by traditional business logic. Ultimately, the presentation argues that the most successful ventures emerge when founders subtract conventional wisdom from their personal technical or problem-specific knowledge.
- Y Combinator16 min
Balaji Srinivasan at Startup School 2013
Balaji Srinivasan argues that the optimal strategy for protecting minority rights and challenging restrictive systems is to amplify the power of "exit" through technological alternatives rather than relying solely on internal political reform. He identifies an impending clash between Silicon Valley and the "Paper Belt" of Washington, New York, and Los Angeles, predicting that innovations like Bitcoin, 3D printing, and telepresence will fundamentally decouple governance from physical borders and traditional regulation. To mitigate this friction, Srinivasan advocates for building an "opt-in society" by reducing relocation barriers and fostering diverse jurisdictions where citizens can peacefully experiment with new models of governance and commerce.
- Y Combinator26 min
Jessica Livingston at Startup School 2012
Y Combinator co-founder Jessica Livingston outlines the primary challenges facing startups, emphasizing that determination, defined as resilience combined with drive, is the most effective defense against failure. Through case studies of companies like Airbnb, Pebble, and Stripe, the discussion illustrates how founders must navigate intense investor skepticism, improvisational execution, and volatile market outcomes by pivoting strategies and maintaining operational focus. Livingston further warns against premature corporate partnerships and co-founder mismatches, urging entrepreneurs to prioritize building products users actually want while developing the thick skin necessary to withstand public scrutiny.
- Milken Institute1h 24m
MI Forum: Modern-Day Magellan: JPL Director Charles Elachi
Dr. Charles Elachi, Director of NASA's Jet Propulsion Laboratory, detailed the successful "Seven Minutes of Terror" landing of the Curiosity rover, which has confirmed the presence of essential chemical elements and ancient flowing water on Mars. The presentation highlighted the mission's scientific outcomes, including the discovery of non-oxidized surface material and the approval of future seismology and sample-return missions, while noting that the rover's nuclear power system is designed to operate for a decade. Elachi also projected that human exploration of Mars could commence within 20 to 25 years, citing technological advancements in fuel production and the ongoing development of the James Webb Space Telescope.
- Milken Institute29 min
Charles Elachi on Curiosity rover's journey to Mars
The Curiosity rover successfully executed a fully autonomous landing on Mars by surviving a seven-minute descent that reduced its velocity from 13,000 mph while navigating the planet's thin atmosphere without real-time ground control. Engineers overcame the spacecraft's massive 10-fold weight increase compared to previous rovers by deploying a supersonic parachute followed by a novel "Sky Crane" maneuver that lowered the vehicle via cable 30 feet above the surface. This unprecedented feat, achieved by a young team of engineers using simulations based on actual telemetry, delivered the rover to within two kilometers of its target and marked a significant advancement in navigation technology.