HHMI BioInteractive: Patterns and...
How Humans Speak, Sing, Squeak and...
The National Center for Voice and Speech developed this series of mini-courses and tutorials to assist people with difficult concepts in voice production....
The Concord Consortium is a non-profit educational technology group that has been designing teacher-ready tools, from lesson plans to activities, for over two...
Educators assembling lessons on biotechnology will find much to appreciate in this list of teacher resources from the North Carolina Biotechnology Center. Here...
The Space Science Institute has built a website geared toward the constructivist learning approach, which posits that learning entails an active and fluid...
Everything (mathematics) is illuminated in this excellent thirteen-part series created by Annenberg Media for adult learners and high school teachers. As their...
AMSER is a portal of educational resources and services built specifically for use by those in Community and Technical Colleges but free for anyone to use.
AMSER is funded by the National Science Foundation as part of the National Science Digital Library, and is being created by a team of project partners led by Internet Scout.
A rough ball will travel further than smooth one. Roughness, whether from stitching or abrasion, creates a layer of turbulent air that greatly reduces drag. A smooth golf ball would fly only about half as far as the normal dimpled variety.
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