Science & Tech

Science & Tech

Explore the discoveries that reveal how the world works, alongside the technologies that extend, reshape, and sometimes challenge what’s possible.

Three planets are silhouetted against deep space with a bright red star and nebula clouds in the background.
Astronomer Lisa Kaltenegger spoke with Big Think about how "the colors of life" could leave detectable traces on distant planets.
laniakea
When objects are gravitationally bound, they cannot escape from one another's influence. How does that work within the expanding Universe?
Book cover of "Invisible Illness" by Emily Mendenhall, depicting a person holding a mirror with the title reflected, set against a cloudy sky—capturing the hidden struggles of living with an invisible illness.
Emily Mendenhall traces the medical myths, gender bias, and neurological truths behind hysteria, one of history’s most damaging diagnoses.
zeno's paradox
Travel half the distance to your destination, and there's always another half to go. So how do you eventually arrive? That's Zeno's Paradox.
Even the youngest galaxies are often dust-rich, even with very low levels of heavy elements. Nearby dwarf galaxy Sextans A explains why.
A woman in a blue dress sits beside a cradle with a baby; two adults are seated at a green table with a closed book, highlighting the enduring importance of books in an age of advancing technology.
Joel Miller, the author of “The Idea Machine,” joins us to explore why books are history’s most successful information technology.
A galaxy cluster with a faint purple glow, showing a dotted yellow circle in the center, surrounded by distant stars and galaxies.
Astronomers have found starless gas clouds before, but Cloud 9 might be the most pristine one of all, with big lessons for cosmic history.