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Some new things to do with the CMB and galaxy surveys

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the past several decades we have obtained increasingly precise data on the
distribution of galaxies in the Universe and on the distribution of primordial
perturbations via CMB measurements.  This trend is likely to continue for
the foreseeable future.  In this talk I will discuss some new things to do
with data from the CMB, galaxy surveys, and future 21-cm surveys look for new
physics in the early and late Universe.  Topics will include cosmic
birefringence, new tests for parity violation, gravitational lensing,
gravitational waves, and new inflationary physics.