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In Newly Created Life-Form, a Major Mystery
Scientists have created a synthetic organism that possesses only the genes it needs to survive. But they have no idea what roughly a third of those genes do.
Solution: A Hat Trick + 1 of Hat Puzzles
For four game show variations of the hat puzzle, four clever ways to earn a better payoff than you might expect.
The Beasts That Keep the Beat
New insights from neuroscience — aided by a small zoo’s worth of dancing animals — are revealing the biological origins of rhythm.
In Warm, Greasy Puddles, the Spark of Life?
The biologist David Deamer proposes that life evolved from a collection of interacting molecules, probably in a pool in the shadow of a volcano.
Mathematicians Discover Prime Conspiracy
A previously unnoticed property of prime numbers seems to violate a long-standing assumption about how they behave.
A Timely Fix for a Grand Theory of Nature
A disarmingly simple model of ecology does everything well — except predict how rapidly nature can change. Can it become more realistic while still avoiding all of biology’s messy complexities?
A Hat Trick of Hat Puzzles
In three new variations of a famous logic puzzle, what are the best strategies for guessing the color of the hat on your head?
Michael Atiyah’s Imaginative State of Mind
At 86, Britain’s preeminent mathematical matchmaker is still tackling the big questions and dreaming of a union between the quantum and the gravitational forces.
After Black Holes Collide, a Puzzling Flash
A satellite spotted a burst of light just as gravitational waves rolled in from the collision of two black holes. Was the flash a cosmic coincidence, or do astrophysicists need to rethink what black holes can do?