How Cold Is Too Cold For School?
Over the past few years we’ve been seeing more school cancellations due to cold temperatures or wind chills. But, how cold is too cold?
Learning to See Trees Through “New Eyes” at Allerton
Most people who can tell the difference between tree species in the summer have difficulty in winter because they’re naked — the trees, that is, not the people. The goal of the winter tree identification hike at Allerton Park goal was to teach participants other cues to tell them apart.
On the hunt for first flower of spring
The “skunk cabbage,” is a plant that lives up to its name, giving off a distinct, skunk-like odor. But this distinct early spring flower also distinguishes itself from all other plants native to Illinois by the fact that it generates heat--enough so that its flower can remain 36 degrees F warmer than the surrounding air for a period of about two weeks.
