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The astrophysicist Joshua Frieman seeks to pinpoint the mysterious substance driving the accelerating expansion of the universe.
Katherine Freese, a physicist who will soon lead the Nordic Institute for Theoretical Physics, reflects on the hunt for dark matter and how dark matter heating may have produced the first stars.
The cosmologist David Spergel explains why a widely publicized gravitational-wave discovery could be wrong, and how the “overreaching” study could affect the public’s perception of science.
Chao-Lin Kuo, who helped design the experiment that claimed to have found evidence of gravitational waves from the Big Bang, isn’t bothered by criticism that cosmic dust may account for his results.
A conversation with the mathematical physicist Freeman Dyson on quantum electrodynamics, climate change and his latest pet project.
An interview with the developmental biologist Cassandra Extavour on the origins of multicellular organisms and the evolution of cooperation.
An interview with the Berkeley chemist K. Birgitta Whaley on the promise and challenge of translating quantum biology into practical quantum devices.
An interview with the Nobel Prize-winner David J. Gross on the confusing state of theoretical physics.
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