NASA
Gravitational Waves
Young scientists participate in a hands-on experiment to explore Einstein's theory of relativity in a creative manner. They investigate various waves and compare their characteristics as they discuss how each wave is created....
Curated OER
Ancient Farmers of the Amazon
Students read a sample research proposal and create their own. They discover the type of information needed for others to reject or accept the proposal. They practice applying the scientific process to different situations.
University of California
Understanding Evolution: Refuges of Genetic Variation
Pests evolve resistance to our pesticides at an alarming rate. However, evolutionary theory tells us how we can slow the rate at which genes for pesticide resistance spread: by providing refuges where non-resistant insects thrive....
American Institute of Biological Sciences
Action Bioscience: Plant Genebanks: Food Security
Over time everything changes a little bit, just take a look at the theory of evolution. With the descent of biodiversity agriculturalists have developed a system using genebanks to maintain the crops that sustain the majority of the...
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