TL;DR: “According to current physics, time travel isn’t outright forbidden, but practical methods face monumental challenges—wormholes, near-light-speed travel, and exotic...

TL;DR: No definitive proof exists that mathematics transcends human thought, but debates across philosophy, science, and logic suggest powerful hints...

TL;DR: Infinity broadens our view of a universe without strict edges, suggesting spacetime may stretch unendingly rather than end at...

TL;DR: The universe keeps expanding because it began in a hot, dense state and has been stretching ever since, powered...

TL;DR: No one knows for sure, but intriguing clues from physics, philosophy, and technology fuel the debate that our reality...

TL;DR: Humans are still evolving in subtle ways—there’s no sign we’ve hit our final form. It’s tempting to think that...

TL;DR: Some people reject established science for untested beliefs due to cognitive biases, emotional needs, cultural influences, and mistrust of...

TL;DR: Self-driving cars aim to minimize harm, but achieving a “third option” that spares everyone in a no-win scenario remains...

TL;DR: Because global respondents showed a powerful bias toward preserving young lives and parental figures, the aggregated data in MIT’s...