5 Things You Need to Know Today, 7/20

1) Partly sunny today, with temperatures in the mid and high 70s. Some showers possible in the afternoon. Cloudy overnight, with temperatures in the low and mid 60s.

2) The offers , a workshop on color mixing. Learn how to hone just the right hues, and create beautiful paintings. Be sure to bring your own materials. The class runs from 9 a.m.-12 p.m., and costs $25 for members, $30 for nonmembers. To learn more, call (508) 540-3304, email director@falmouthart.org, of visit http://www.falmouthart.org.

3) The MBL presents a free lecture on , at 8 p.m., in the . Baldomero Olivera, a scientist at the University of Utah and the Howard Hughes Medical Institute, will explain what the amazingly diverse substances that make up each individual snail's unique poison can teach us about genetic variation, and how some may be used for pain medication. To learn more, call (508) 289-7423, email Fel@mbl.edu, or visit http://hermes.mbl.edu/events/events_friday_07_20_12.html.

4) The presents , a new play by Joshua Allen, tonight and tomorrow, from 8-10. The black comedy revolves around a precocious young girl's crush on her step-brother. Tickets are $20. To learn more, or purchase tickets, call (508) 457-4242, email capecodtheatreproject@yahoo.com, or visit http://www.capecodtheatreproject.org.

5) This day in history: Sioux leader Sitting Bull surrenders, five years after defeating Custer at the Battle of the Little Bighorn (1881); a bomb explodes during a meeting of top Nazi officials, part of a failed attempt to assassinate Hitler (1944); and Neil Armstrong sets foot on the moon (1969).