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Meet the Eukaryote, the First Cell to Get Organized
All modern multicellular life — all life that any of us regularly see — is made of cells with a knack for compartmentalization. Recent discoveries are revealing how the first eukaryote got its start.
Computer Scientists Establish the Best Way to Traverse a Graph
Dijkstra’s algorithm was long thought to be the most efficient way to find a graph’s best routes. Researchers have now proved that it’s “universally optimal.”
Why Is It So Hard to Define a Species?
The idea of a species is fundamental to the way that many people understand the structure of life on Earth. But ask 10 specialists how they define the concept and you might get 10 answers. In this episode, co-host Janna Levin speaks with evolutionary biologist Kevin de Queiroz about what makes defining and delineating species such a slippery process, and why it matters to our understanding of both evolution and conservation.
How Do Merging Supermassive Black Holes Pass the Final Parsec?
The giant holes in galaxies’ centers shouldn’t be able to merge, yet merge they do. Scientists suggest that an unusual form of dark matter may be the solution.
Math Is Still Catching Up to the Mysterious Genius of Srinivasa Ramanujan
Born poor in colonial India and dead at 32, Ramanujan had fantastical, out-of-nowhere visions that continue to shape the field today.
How the Human Brain Contends With the Strangeness of Zero
Zero, which was invented late in history, is special among numbers. New studies are uncovering how the brain creates something out of nothing.
‘Quantum Memory’ Proves Exponentially Powerful
Researchers are exploring new ways that quantum computers will be able to reveal the secrets of complex quantum systems.
Big Advance on Simple-Sounding Math Problem Was a Century in the Making
A new proof about prime numbers illuminates the subtle relationship between addition and multiplication — and raises hopes for progress on the famous abc conjecture.
Even a Single Bacterial Cell Can Sense the Seasons Changing
Though they live only a few hours before dividing, bacteria can anticipate the approach of cold weather and prepare for it. The discovery suggests that seasonal tracking is fundamental to life.