by msander | May 17, 2018 | Gr 4-6 Science & Tech, Gr 9-10 Science, Gr. 11-12 Physics
On Nov. 30, 2010, astronomers discovered asteroid 2010 WC9. However, it soon faded from view and was lost. But now it’s back, and it’s going to whiz past Earth Monday night. Source: Lost asteroid to fly between moon and Earth tonight | CBC...
by msander | May 13, 2018 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science
Hawaii’s Kilauea volcano could soon send boulders and ash shooting out of its summit crater in the kind of explosive eruption last displayed nearly a century ago. Source: Risk of explosive eruption from Hawaii volcano rising, scientists warn | CBC...
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
A robotic lander has been launched for a mission to Mars, where it will probe the planet’s interior. Source: NASA launches InSight spacecraft bound for Mars | CBC News
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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