by msander | May 28, 2018 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology, Gr. 11-12 Chemistry
Less than a tenth the size of an ant, a dust mite’s whole world is contained in the dusty film under a bed or in a forgotten corner. This realm is right under our noses, but from our perspective, the tiny specks of brilliant color blend together into a nondescript...
by msander | May 24, 2018 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology
From a tree to an orangutan to bacterium, the annual top 10 new species list has the newest stars of Earth’s biodiversity. Source: Top 10 new species of 2018 include volcanic bacterium and a hitchhiking beetle | CBC News
by msander | May 23, 2018 | Gr 9-10 Science, Gr. 11-12 Biology, Gr. 11-12 Chemistry
In this lab, you extract and isolate DNA from strawberries using simple, household ingredients. You’ve probably learned or heard about DNA, but have you ever seen it? With the Strawberry DNA experiment, you’ll extract, isolate, and observe the DNA of a strawberry in a...
by msander | May 10, 2018 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology
It’s one of the most annoying sensations our bodies can feel, but does anything feel better than when you scratch an itch? Ok, maybe *some* things. But itching and scratching are up there. How does this weird sensation work? And what is itching for? Scratch that itch...
by msander | May 10, 2018 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr. 11-12 Biology
A parasitic wasp has injected her eggs into a caterpillar — and now they’re ready to hatch. In the Womb: Extreme Animals : http://channel.nationalgeographic.com… ➡ Subscribe: http://bit.ly/NatGeoSubscribe About National Geographic: National...
by msander | May 7, 2018 | Gr 4-6 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology, Gr. 11-12 Chemistry
Oxygen forms about 21% of the air around us. In your body, oxygen forms a vital role in the production of energy in most cells. But if gases can only efficiently diffuse across tiny distances, how does oxygen reach the cells deep inside your body? Enda Butler tracks...
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