by Milan Sanader | Feb 10, 2020 | Biology, Gr. 11-12 Biology, Gr. 11-12 Chemistry, Grade 11, Grade 12
ChemDraw is an amazing structure drawing package available online for free. One can draw from scratch using atom, bond, ring and group tools – perfect for students. or one can load a structural formula from the existing list – saves teacher’s time....
by msander | Sep 5, 2018 | Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology, Gr. 11-12 Chemistry
UV at ground level is non-ionizing but it damages DNA and causes photoaging – how? Also, it turns out glass doesn’t block all UV (specifically UVA passes through). This is something I learned filming with the UV camera inside. Special thanks to Dr. Hayley...
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