by cbrookallred | Mar 23, 2017 | Gr 4-6 Science & Tech, Gr 9-10 Science, Gr. 11-12 Physics
Astronauts’ brains change shape during spaceflight, according to a study published in Nature Microgravity in December 2016. MRIs of the brains of 26 astronauts taken before and after missions show that their brains compress and expand in space. The longer the...
by cbrookallred | Mar 20, 2017 | Gr 4-6 Science & Tech, Gr 9-10 Science
Although there’s nothing official about it, it’s traditional to say the upcoming March or vernal equinox signals the beginning of spring in the Northern Hemisphere and autumn in the Southern Hemisphere. This equinox does provide a hallmark for the sun’s motion in our...
by cbrookallred | Mar 19, 2017 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science
These words, attributed to 19th-century naturalist George Cuvier, couldn’t be more correct. The pearly whites we use every day over and over and over again are clues not just to our own individual lives but also to our evolutionary history. Teeth lock into their...
by msander | Mar 16, 2017 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology, Gr. 11-12 Chemistry
There’s a new trend in agriculture called vertical farming. As humans learned to farm, we arranged plants outside in horizontal fields, and invented irrigation and fertilizer to grow bumper crops. But with modern technology and farmers’ cleverness, we can now stack...
by msander | Mar 16, 2017 | Gr 1-3 Science & Tech, Gr 4-6 Science & Tech, Gr 7-8 Science & Tech
You can have a ton of science fun with a straw. You can make it into a blow gun, using the properties of air, or it can double as a pipette when your lab has run out. But did you know you can perform some awesome hands-on science with the straw’s wrapper, too?...
by cbrookallred | Mar 15, 2017 | All Science Teachers, Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science
When does the Age of Aquarius begin? And what is the Age of Aquarius? The Age of Aquarius is not part of astronomy. It’s an astrological age, which occurs because of a real motion of Earth known as the precession of the equinoxes, which, for example, causes the...
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