Every Sat. & Sun. (except Mar. 19) and Mar. 27–31. 30-minute tour of the museum’s exhibits and galleries, as well as an introduction to some current U-M Biological Sciences research projects. 1 p.m. (Sat. & Sun.) & noon (Mar. 27–31), U-M MNH, 1105 North University. Free. Limited capacity. Sign up at the welcome desk. 764–0478.