For decades, lactic acid has taken the blame for the muscle pain you feel when you exercise – but does it really deserve its bad reputation? Hosted by: Hank Green SciShow has a spinoff podcast! Continue reading
Monthly Archives: January 2019
Do Astronauts Need Sunscreen?
How do astronauts survive the deadly radiation of deep space? NASA is still figuring out how to protect astronauts from cosmic radiation — like plastic shielding and magnetic deflectors. Continue reading
How a science fair project helped wake up adults to teen sleep deprivation ‘epidemic’ | CBC News
Lack of sleep has become a huge problem for Canadian adolescents, says a Sick Kids sleep expert, adding that, ‘in 20 years time, we’re going to see a whole generation of adults who are functioning sub-optimally.’
Source: How a science fair project helped wake up adults to teen sleep deprivation ‘epidemic’ | CBC News
Science of Ice and De-Icing – Steve Spangler
From sand and gravel to rock salt and magnesium chloride, the people who maintain our roads are constantly searching for the most most innovative ways to keep our road clear of snow and ice. Our science guy Steve Spangler looks at the science of de-icing with a cool experiment you can try at home. Continue reading
Introduction to Electrophoresis – submitted by Flinn Scientific Canada
Introduction
Deoxyribonucleic acid (DNA) is the genetic material found inside the nucleus of eukaryotic organisms. The information coded by DNA determines the characteristics of an organism, including its size, shape and other unique features. How can this genetic material be isolated and identified? This activity describes one of the most common techniques used to examine DNA—electrophoresis. Continue reading
Canadian cities rethink removal of fluoride from tap water | CBC News
Two Canadian cities are doing an about face on their decision to remove flouride from drinking water after rates of tooth decay spiked, especially among children.
Source: Canadian cities rethink removal of fluoride from tap water | CBC News
