7 p.m., Wednesday, April 24 The few literate cultures in AD 536 recorded intense cold, crop failures, starvation, and deaths in the northern hemisphere. Tree rings in North America, Europe, and Asia record 15 years of cold beginning in AD 536. Ice cores in Greenland and Antarctica record a dramatic increase in sulfur in the same year, indicating an eruption occurred in a tropical latitude north of the equator. This lecture will discuss the worst worldwide disaster to occur in the past few millennia, as well as its cause.

5 p.m., May 13 & 14 Two tours of CU's unique historic campus "forest" will be led by veteran and Senior Grounds Specialist Alan Nelson. Along with the spring blooms, he will share the unique characteristics and special historical significance of these trees. Since the first plains cottonwoods were planted near Old Main, CU’s tree population has grown to nearly 5,000 and more than 100 species, many imported from across the United States, Europe and Asia. The tour will depart from the Museum's south entrance.

They can be gross and icky, but oh so fascinating. Join us as we explore the most successful lifestyle on Earth - parasites! All kinds of organisms play host to parasites – from dinosaurs (what happens if your host goes extinct?!) to caterpillars to humans. Explore real museum specimens and enjoy many hands-on science and art activities for the whole family. Free Saturday, Jan 26, 10 a.m. - 4 p.m. at the University of Colorado Museum of Natural History.

Earn two credit hours this spring with CU-Boulder's Applied Music Program! Group classes include guitar, piano, and hand drum circle. Private lessons are available for everything from banjo and guitar to voice, piano, and percussion drumset. Check out our faculty bios and find what works best for you! Lessons begin Feb. 4. Register now on MyCUInfo portal. $608 tuition is separate from main campus tuition. Contact advisor at appmusic@colorado.edu or 303-492-5950. Detailed information: http://conted.colorado.edu/programs/applied-music/course

If you are looking for scholarship opportunities, check out the CU Parents Association (CUPA) merit based, non-renewable scholarships worth $2,500 per year to continuing or transfer undergraduate students who will be sophomores, juniors, or seniors for the 2013-14 academic year. Applicants much have at least a 3.5 cumulative GPA. The deadline is Thursday, Mar. 14 at 5 p.m. and you must provide an official transcript, which can take 5-7 days to process.

Research Participants ages 12-21 needed ADAPT is a place for young people ages 12-21 who are worried about experiencing unusual thoughts, suspiciousness or paranoia, or seeing or hearing things that are not there. Earn $25 for participating in a short screening interview. You may be invited to participate in a 2-year longitudinal study ($25 per hour for 7-9 hours each year). For more information please call 303.492.4616 or visit http://www.adaptprogram.com.

Are you a queer woman looking for community on campus? QWIC is a social gathering for all ages that meets in the Women's Resource Center. Join us for food, conversation, and fun! QWIC meets every Monday from 6:15 – 8 p.m. in the Women's Resource Center (UMC 416). Our first meeting of the semester is this Monday, Jan. 28.

It’s time for a new approach to weight loss. One that respects your individuality. One that supports a healthy lifestyle. One that provides you with a customized work out plan. One that gives you one on one nutrition support with a registered dietician. Lean On Me is for all fitness levels, bring a friend and get ready to change your life!

The IPHY department is seeking 18-30 year-old volunteers who are sedentary (no regular exercise) for a paid research study on muscle adaptations to exercise. Additional screening questions will be asked upon inquiry. The study will involve leg exercise, muscle biopsies, blood samples, and strength and soreness measurements. The study will require ~6 hours total, spread across 3 appointments within a month. You will be paid $120 for study completion.

RISE Symposium will take place on Feb. 15, 2013, from 9 a.m. to 4:30 p.m., at the Wittemeyer Courtroom in Wolf Law Building. It will be featuring education scholars from CU-Boulder and Stanford and workshops designed to assist educators in applying critical pedagogies within their own classrooms. Lunch will be provided with RSVP. Please RSVP no later than Feb. 7 to rise@colorado.edu. The symposium is open to CU students, faculty, teachers, school administrators, and the general public. Sponsors are CEB, UGGS, SGFB, and SESB.