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AI got cheap enough that Duolingo’s most expensive plan may not survive it. I read the earnings call transcript and opened the app to see what is actually changing for learners.
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L'Italiano nel mondo
Introduction to HTML5
Umano Digitale
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Explore the profound mysteries of black holes with Marcus Chown, uncovering their crucial role in understanding physics, the universe's origins, and humanity's existence in space and time.
Delve into the fascinating battle between scientists and art forgers, exploring cutting-edge detection methods and examining notorious forgery cases while understanding how scientific analysis authenticates valuable artworks.
Explore animal mating communication with Sir David Attenborough. Discover diverse courtship signals, from visual cues to scents, and learn how species-specific 'passwords' ensure successful breeding.
Explore animal defense mechanisms, from warning signals to territorial marking, in this captivating lecture by Sir David Attenborough. Discover how creatures communicate danger and assert dominance without physical confrontation.
Explore the groundbreaking journey of the UK's first human womb transplant with surgeons Richard Smith and Isabel Quiroga, discussing its impact and future potential for women without viable wombs.
Explore the fascinating world of gases through historical discoveries, modern applications, and scientific experiments, from their role in fizzy drinks to their impact on climate and neural function.
Explore how consciousness and purpose emerge in the universe, examining the brain's creation of reality models and challenging traditional beliefs about meaning and design in nature.
Explore how nature exists beyond human perception through the ultraviolet patterns of flowers, challenging anthropocentric views and revealing the complex evolutionary relationships that shape our natural world.
Explore the health implications of ultra-processed foods in modern diets, examining their widespread availability, addictive nature, and impact on public health through expert medical insights.
Discover how swarm engineering expert Sabine Hauert explores mechanisms to create 'swarms for people' across various applications, from nanomedicine to environmental monitoring, and the path to making swarms trustworthy and deployable.
Explore battery-powered aviation's future with expert insights on electric flight technology, challenges, and solutions for decarbonizing air travel.
Explore the real chemistry behind Star Wars phenomena like lightsaber colors, carbonite freezing, and starship reactions with award-winning chemist Alex Baker.
Explore how gradually changing variables produce sudden effects through catastrophe theory, from mathematical models to applications in physics and psychology including mood changes.
Explore the mathematical foundations of sound, music, and harmony through wave theory and the revolutionary harmonic theorem that explains how any wave motion is the sum of simple harmonics.
Explore game theory applications in modeling complex systems like financial markets and population dynamics through mathematical demonstrations and evolutionary examples.
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