by Milan Sanader | Feb 24, 2021 | All Science Teachers, Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology, Gr. 11-12 Chemistry
Meat has a big carbon footprint, with livestock responsible for about 15 per cent of worldwide emissions, as we’ve previously discussed in this newsletter. That’s prompted experts to recommend eating less meat for sustainability (and health) reasons. Click...
by Milan Sanader | Jan 26, 2021 | Gr. 11-12 Biology, Gr. 11-12 Chemistry, Gr. 11-12 Physics
Trees create immense negative pressures of 10’s of atmospheres by evaporating water from nanoscale pores, sucking water up 100m in a state where it should be boiling but can’t because the perfect xylem tubes contain no air bubbles, just so that most of it...
by Milan Sanader | Jan 25, 2021 | Gr. 11-12 Biology
Knowledge of the structure and function of DNA and RNA is key to an understanding of molecular biology and cellular genetics. The processes of transcribing DNA to create mRNA and translating RNA to produce a sequence of amino acids are fundamental functions of cells....
by Milan Sanader | Dec 3, 2020 | Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology, Gr. 11-12 Chemistry
By now, we’re all familiar with the image of coronavirus. The spikey blob peppers news websites, looms behind reporters during bulletins and frequently punctuates your Twitter doom-scrolling. More recently, the news accompanying this image has taken a positive turn,...
by Milan Sanader | Nov 29, 2020 | Gr 7-8 Science & Tech, Gr. 11-12 Biology
There are many mysteries around fever, but we do know that all mammals, some birds and even a few invertebrate and plant species feel fever’s heat. It has persisted for over 600 million years of evolution. But it has a significant cost: for every degree increase in...
by Milan Sanader | Aug 11, 2020 | Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology
In their bid to survive, bed bugs wait until humans and animals are sleeping, then come out to suckle their blood. Like mosquitoes, these pests use an elongated proboscis to pierce the skin and gather their blood meal. They need to feed weekly to grow through the...
Recent Comments