To do so will require a purpose-built space telescope and a parasol the size of a baseball diamond.
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Categories: Gr 9-10 Science, Gr. 11-12 Biology
Currently, the list of genetically modified organisms that could end up at your dinner table (assuming you live in the U.S.) is limited to corn, soybeans, squash, canola oil, sugar beets and... read more
Categories: Gr 4-6 Science & Tech
Grade 5: Life Systems Contributed by: Derek Totten I was working late in the lab one night when .... Big Ideas: Organ systems are components of a larger system (the body) and, as such, work... read more
Categories: Gr 9-10 Science, Gr. 11-12 Physics
The traditional incandescent bulbs used for teaching series and parallel circuits are rated for 3 V or 6 V. The problem is that many power supplies can generate higher voltages. As a result, it is... read more
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