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Iceland’s Eruptions Reveal the Hot History of Mars
The new volcanic fissures are more otherworldly than they first appear.
Rediet Abebe on Using Algorithms for Social Justice
The computer scientist Rediet Abebe’s passion for applied mathematics closely aligns with her passion to solve problems with poverty and social inequality.
Mathematicians Settle Erdős Coloring Conjecture
Fifty years ago, Paul Erdős and two other mathematicians came up with a graph theory problem that they thought they might solve on the spot. A team of mathematicians has finally settled it.
A Computer Scientist Who Tackles Inequality Through Algorithms
Rediet Abebe uses the tools of theoretical computer science to understand pressing social problems — and try to fix them.
Cells Form Into ‘Xenobots’ on Their Own
Embryonic cells can self-assemble into new living forms that don’t resemble the bodies they usually generate, challenging old ideas of what defines an organism.
Mathematicians Find a New Class of Digitally Delicate Primes
Despite finding no specific examples, researchers have proved the existence of a pervasive kind of prime number so delicate that changing any of its infinite digits renders it composite.
Federico Ardila on Math, Music and the Space of Possibilities
The mathematician Federico Ardila takes a creative approach to the search for useful answers hiding among inconceivably huge numbers of possible ones.
Long-Missing Midsize Black Hole Flashes Into View
Black holes seemed to come only in sizes small and XXL. A new search strategy has uncovered a black hole of “intermediate” mass, raising hopes of more to come.
Finding Zen in the Art of Puzzle Solving
Readers used their Zen-like puzzle solving skills to discover hidden insights.