Visitors to the University of Nebraska State Museum at Morrill Hall can pose with a plesiosaur and mingle with the mammoths for free Thursday nights in February. The museum will offer free admission from 4 to 8 p.m. Feb. 1 and 4:30 to 8 p.m. Feb. 8, 15 and 22.

Activities include:

• Pop-In Storytime: Lions and Tigers and Bears, 4 to 4:30 p.m. Feb. 1 — A librarian from Lincoln City Libraries will teach children about the natural world through stories, songs and movement.

• “Nano” exhibition opening, 4:30 to 8 p.m. Feb. 8 — How small is nano? What is a carbon nanotube? These questions and more are answered in “Nano,” a new interactive exhibition on nanoscale science, engineering and technology.

• Shaping Watersheds Augmented Reality Sandbox, 5 to 8 p.m. each Thursday in February — This temporary exhibit helps visitors understand freshwater lake ecosystems. Visitors create topography models by shaping sand, which is augmented in real time with a graphic projection from overhead.

Learn more about the NU State Museum.