A Moment of Science

Posts tagged sunflowers

August 6, 2012

 

phototrophism

The Truth About Phototropism

What is positive phototropism and why does it matter?

August 25, 2011

 

Single yellow sunflower in focus, with field of sunflowers behind

Sunflowers: A North American Crop

IU doctoral graduates make the case for an eastern U.S. origin of the domestication of sunflowers.

September 27, 2003

 

Keeping Sunflowers in the Dark

Surprisingly, even though there is no light to catch, the sunflower will continue to bend every day just as it did when it was outside. This is a classic example of what scientists call a circadian rhythm — it’s a daily cycle of behavior that is internal to the organism, rather than being solely triggered by the environment.

September 27, 2003

 

Genetically Modified Plants and Weeds

On this Moment of Science we talk about the complications of genetically modified plants and weeds.

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