Skip Navigation
on:

NCPR is supported by:

News stories tagged with "botany"

Natural Selections: Bamboo

This hollow reed, prized for everything from fishing poles to furniture, may grow to tree height, but as Dr Curt Stager and Martha Foley explain, is actually a grass.  Go to full article

Natural Selections: Tree Shapes

Martha Foley and Dr. Curt Stager explain how tree shapes, like our own physical shapes, are determined by both genetics and environment.  Go to full article

Natural Selections: Plant defenses

Plants have a number of ways of defending themselves from predation and parasites. Martha Foley and Curt Stager talk about some of them, including wild tobacco which, in addition to its toxic nicotine content, emits chemicals into the air which repel attackers.  Go to full article

Natural Selections: Trillium

This has been a good year for the signature wildflower of the northern forest spring. The trillium is a long-lived perennial that may grow 15 years before it puts out a short-lived bloom. Curt Stager and Martha Foley discuss this fleeting ornament of the forest floor.  Go to full article
Ruby-throated Hummingbird engaging in a little pollination. Photo: <a href="http://www.flickr.com/photos/puttefin/5976511704/">Kelly Colgan Azar</a>, CC some rights reserved
Ruby-throated Hummingbird engaging in a little pollination. Photo: Kelly Colgan Azar, CC some rights reserved

Natural Selections: Pollen

Is a bad year for pollen allergy sufferers a good year for plants? Why does some pollen cause stronger reactions? Martha Foley and Dr. Curt Stager look at the birds and bees, as practiced by the flowers and trees.  Go to full article
Oregano: rich in natural pesticide
Oregano: rich in natural pesticide

Natural Selections: Health Risks

Assessing the health risk of small quantities of man-made toxins is complicated by the presence of natural toxins. Even though Dr. Curt Stager says oregano contains up to 100,000 times the level of naturally-occuring pesticides than would be allowed if it was a manmade substance, Martha Foley says she will continue to wash her fruits and vegetables.  Go to full article
New cork can be harvested every 8-10 years.
New cork can be harvested every 8-10 years.

Natural Selections: Cork

Traditional cork is harvested from the bark of a European variety of oak. Dr. Curt Stager and Martha Foley discuss the venerable history of this useful material which, in addition to keeping wine safely in the bottle, served as flotation devices for Roman spies, and gave early science its first glimpse of life's building block, the cell.  Go to full article

Natural Selections: Vertical Forests

Forests that grow on miles of steep-sloped land can be a bit different from those which grow on level or moderately-sloped land. Dr. Curt Stager and Martha Foley discuss what makes the mountain forest special.  Go to full article

Natural Selections: Wild Rice

Did you know that wild rice isn't really rice? Martha Foley and Dr. Curt Stager take a closer look at this marshland staple of Native American diet.  Go to full article

Natural Selections: Fruits and Vegetables

Martha Foley and Dr. Curt Stager talk about how we classify foods. Hear Curt assert the nonexistence of vegetables.  Go to full article

« first  « previous 10  11-30 of 24  next -6 »  last »