Using ESP to Talk with Molecules” and “The Amazing Central Region of the Milky Way” are the topics of the junior science cafés held this weekend.

Dr. Josh Kurutz of Northwestern Univeristy’s Department of Chemistry offers budding scientists a chance to learn how to engage in conversations with chemicals to figure out what are they made of, how and why they moved and other aspects of their existence. This free event will be held from 4 to 5:15 p.m. on Nov. 20 in the Teen Loft at the Evanston Public Library 1703 Orrington Ave.

From 11 a.m. to 12:30 p.m. on Nov. 21, Doug Roberts, Ph.D., of the Adler Planetarium and Astronomy Museum, will discuss “The Amazing Central Region of the Milky Way.”

Newly developed telescopes allow scientists to see right into the center of the Milky Way galaxy – with its huge, dense gas clouds, exploding stars and the supermassive black hole in the middle.

This discussion – free, with pizza – will take place at Boocoo Café 1823 Church St. Both junior science cafés are open to students grades 6-12, their parents, grandparents and teachers.