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cosmic rays  curt stager  curt  discuss  foley curt  foley  fungi  inside plants  martha foley  martha  mole  plant  stager discuss  stager 
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Preview: Natural Selections Podcast

Natural Selections



Conversations about the natural world with Dr. Curt Stager and Martha Foley, from member-supported North Country Public RadioThe natural world with Martha Foley and Dr. Curt Stager, Thursdays



Copyright: ℗ & © 2016, North Country Public Radio
 



Why were mammals so mammoth during the last Ice Age?

Thu, 29 Sep 2016 00:00:00 -0400

During the last Ice Age North America was home to many varieties of "super-sized" mammals, megafauna. Giant beaver, 'possums, bears, sloths and other creatures joined the more familiar wooly mammoth in the land bridge migration. Dr Curt Stager and Martha Foley look at the question, "Why so big?"


Media Files:
http://feedproxy.google.com/~r/ncpr/naturalselections/~5/BNS9BP9G1g4/160929natselect.mp3




Crab spiders can be good or bad for flowers, depending on the season

Thu, 22 Sep 2016 00:00:00 -0400

Crab spiders are small, camouflaged arachnids that drink nectar from flowers. They indirectly affect the pollination of flowers by eating different insects at different times of year. Martha Foley and Dr. Curt Stager discuss these "freeloaders."


Media Files:
http://feedproxy.google.com/~r/ncpr/naturalselections/~5/cJIifquVz_A/160922natselect.mp3




Mole diversity: starry noses and hairy tails

Thu, 15 Sep 2016 00:00:00 -0400

Martha Foley and Dr. Curt Stager talk more about three different types of moles that inhabit the region, and their habits. The Eastern American mole and the hairy-tailed mole prefer dryer soils and consume up to half their weight a day in worms and grubs. Their star-nosed cousin prefers a wetter environment.


Media Files:
http://feedproxy.google.com/~r/ncpr/naturalselections/~5/YmrzPHWRbDk/nats160915.mp3




Moles: tiny sharks "swimming" under your lawn

Thu, 08 Sep 2016 00:00:00 -0400

Martha Foley and Dr. Curt Stager reveal some interesting facts about the insectivores that tear up your lawn every year - moles.The star-nosed mole, one of three species in the region, is semi-aquatic, but all varieties are lightning-fast foragers.


Media Files:
http://feedproxy.google.com/~r/ncpr/naturalselections/~5/5l_HBf8TMKc/160908natselect.mp3




Ginkgo trees, one species from the age of dinosaurs

Thu, 01 Sep 2016 00:00:00 -0400

Martha Foley and Dr Curt Stager talk about the ginkgo tree, an ancient species native to China. They do not spread naturally anymore, but during the time of the dinosaurs there were many types of ginkgo tree all over the world.


Media Files:
http://feedproxy.google.com/~r/ncpr/naturalselections/~5/8Nr3jQwT-EU/160901natselect.mp3




Helpful fungi lurk inside some plants

Thu, 25 Aug 2016 00:00:00 -0400

Martha Foley and Dr Curt Stager discuss fungal lurkers - fungi that live inside plants. Fungal lurkers are a new discovery and scientists believe that this type of fungus helps the plant it lives on but may harm animals and people.


Media Files:
http://feedproxy.google.com/~r/ncpr/naturalselections/~5/DNx8ijvTayI/160825natselect.mp3




What is a flame?

Thu, 18 Aug 2016 00:00:00 -0400

What is a flame? Why is it shaped like that? How does it keep going? Martha Foley and Dr. Curt Stager answer some burning questions about rapid oxidation.


Media Files:
http://feedproxy.google.com/~r/ncpr/naturalselections/~5/AuaNZpSlJfE/nats160818.mp3




Glitches? Could be gremlins, could be cosmic rays

Thu, 11 Aug 2016 00:00:00 -0400

Martha Foley and Dr. Curt Stager discuss cosmic rays. While many people may think cosmic rays only affect astronauts or satellites - objects in space - computers and other electronic equipment on Earth can be affected, too.


Media Files:
http://feedproxy.google.com/~r/ncpr/naturalselections/~5/VPDo08HOGuw/20160811CosmicRays.mp3




Camels: the whole body is the canteen, the hump is trail mix

Thu, 04 Aug 2016 00:00:00 -0400

Do camels really store water in their humps? Well, not really. And they aren't native to the deserts of the Middle East and Asia, either. Martha Foley and Dr. Curt Stager discuss the different ways camel physiology adapts them to survive in desert conditions, and where this family of mammals originated.


Media Files:
http://feedproxy.google.com/~r/ncpr/naturalselections/~5/if6ofrk4NkI/160804natselect.mp3




Is that a plant, or what?

Thu, 28 Jul 2016 00:00:00 -0400

Mushrooms grow out of the soil like plants, but are fungi. Lichens may look leafy, but they are symbiotic colonies of fungi and algae. Seaweed looks like a plant, but is an algae colony. And Indian Pipe looks like a fungi, but is a plant. Martha Foley and Dr. Curt Stager discuss the ins and outs of botany.


Media Files:
http://feedproxy.google.com/~r/ncpr/naturalselections/~5/5lc4qXbjpAA/20160728WhatisaPlantNatSel.mp3