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Small-scale dark matter structures provide an important window into primordial density fluctuations and the microphysical properties of dark matter. Deviations from the standard LCDM model can significantly alter the…

After the first waves of gravitational-wave detections, it often seems as though we are left with more questions than answers. The hope of finding "one formation channel to rule them all" has given way to "one…

The idea that dark matter is nothing more than a “heavy neutrino” that froze out after reheating has long been a seductive one. Indirect detection experiments are just now entering an era where the simplest candidate…

Chandra is one of NASA's "great observatories" and was launched in 1999. In this talk, I will review Chandra's history and instruments and show highlights from an absolutely astonishing 25 years of science…

Strange metal behavior has been observed in materials ranging from high-temperature superconductors to heavy fermion metals. In conventional metals, current is carried by quasiparticles; although it has been…