Explore evidence that points to a drought during the winter of 1609-1610 as a reason for the death of the colony at Jamestown. Learn how archaeologists use both colonists' journals and data from cypress trees to support a starvation theory. Details »
Classroom Resources
Research how people affect animal populations by introducing alien species, which endanger endemic species. Map how the imported red fire ant expanded its range in the U.S. since the 1920s, and investigate the impact this alien has on local species. Details »
Compare and contrast different Internet search engines, and use search engines to find given information. Details »
Investigate how a torpedo works, examine the factors to be considered in firing a torpedo and use this information to simulate sinking a ship. Details »
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Breakthroughs in Medical Research
Learn how medical pioneers who researched antibiotics, genetics and organ transplants have contributed to better treatments and some cures.
Oceans
Investigate the many facets of the oceans, including marine and shore life, ecosystems, extreme weather, and early explorers.
