pick of the week: An oldie but goody — the Holiday Flower Show — is back at the Marjorie McNeely Conservatory at the Como Park Zoo. The annual display has been around since 1925 (don’t worry; the plants are new each year) and continues to pack in the crowds. In fact, it usually posts the highest attendance of all the conservatory’s shows. The Sunken Garden is filled with hundreds of poinsettias, the thematic colors this year being soft pinks and whites. The show continues through Jan. 7. The conservatory is open daily from 10 a.m. to 4 p.m. A donation of $3 for adults and $2 for children is requested. (comozooconservatory.org)

Fatigue facts: After decades of being shrugged off with “it’s all in your head,” chronic fatigue syndrome finally is being taken seriously as the crippling situation it can be. But the condition, which has baffled researchers, is still subject to many misconceptions. To that end, there will be a free screening of the award-winning documentary “Unrest,” a first-person account of the havoc the disease wreaked on the life of filmmaker Jennifer Brea, at 11 a.m. Saturday at Landmark Edina Cinema, 3911 W. 50th St. The movie will be followed by an informal discussion. For more information or to register for tickets, go to bit.ly/2Ag1mB2.

Day by day: Before the internet, information was kept in books. To help people track down that information, a clever librarian named Melvil Dewey invented a numerical system of classification for nonfiction books. Introduced in 1876, it is honored on Sunday as part of national Dewey Decimal System Day. Look it up on Google, if you want.

recommended reading: A local version of Hogwarts Castle — complete with a potions room, great hall and wand shop — is open for tours in Minnetonka, all because a mother wanted her Harry Potter-loving daughter to experience the magic firshand. Take a tour in Saturday’s Variety.

 

JEFF STRICKLER • jeff.strickler@startribune.com