<p>Photo Gallery: 2024 South Side Science Festival&nbsp;</p>

<p>Doodles of&nbsp;<em>Bebop Kaleidoscope — Homage to Duke Ellington</em>&nbsp;(2024)</p>

<p>2024 Aims of Education (photo gallery)</p>

Coined by University of Chicago astrophysicist Michael Turner in 1998, dark energy—the force causing the universe to expand faster over time—remains one of the great mysteries of physics.