- February 28, 2013 at 8:15 am
The Tree Removal grant project in the Arboretum is already well underway. Three of four sites have already been cleared of non-native trees and invasive brush. Some arboretum visitors have wondered why the trees and bramble were removed in the first place. One very important consideration is that much of the pine forests are already dying.
- February 12, 2013 at 9:57 am
Karst is a geological feature formed by the dissolution of soluble bedrock such as carbonates like limestone and dolostone. Karst formations lead to the formations of caves, disappearing streams, underground streams, sinkholes and other landforms in Southern Minnesota.
- February 7, 2013 at 9:15 am
The birth of every snowflake starts out with a speck of dust...
- January 31, 2013 at 10:24 am
Owls are fast becoming one of the most popular types of birds. However, unlike most other admired birds that are known for being colorful, quick, or vocal, perhaps owls’ most celebrated characteristic is their aura of mystery.
- January 24, 2013 at 9:39 am
Biting Minnesota winds and below-freezing days are not always the most pleasant, but puffy jackets, mittens, scarves and hats keep the cold at bay. However, while we humans are able to bundle up or stay indoors to take advantage of central heating, most other species are not so lucky during the winter months.
- January 15, 2013 at 9:47 am
While it is tempting to think that all animals have the good sense to curl up and sleep through Minnesota’s harsh winters, there are a number of hardy residents that brave the cold and inhabit the Arb year round.
- November 12, 2012 at 4:11 pm
Believe it or not, the Arb does not run itself. There is in fact an Arboretum Office, and many hard-working individuals dedicated to its maintenance.
- November 5, 2012 at 3:59 pm
Fall weather has settled in and temperatures are cooling off--but what would it be like if average temperatures were freezing all year?
- October 29, 2012 at 3:52 pm
It’s nearing the end of October, the leaves are falling, and temperatures are dropping. That means many animals are spending a final few days in the sun and getting ready for hibernation. Snakes are no exception.
- October 22, 2012 at 3:58 pm
What do leaves have to do with the seasons? Most people mark the coming of winter by the time that trees become bare and leaves litter the ground. The trees themselves, however, begin their winter preparations long before we humans do.
- October 16, 2012 at 9:00 am
Fifth week means it’s crunch time at Carleton, but the stress level of students isn’t the only thing that is peaking right now.
- October 9, 2012 at 9:48 am
Fall may be my favorite time of year, and October my favorite month.