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The Science of Tie-Dye | Science Experiments | Steve Spangler Science
Source: The Science of Tie-Dye | Science Experiments | Steve Spangler Science
Can I Die From Too Much Water? Blood? Oxygen? – YouTube
We all know that we need things like water and oxygen to live, but what happens when you get too much of a good thing? Hosted by: Hank Green
How Blue LEDs Changed the World – YouTube
Not only are small, energy efficient LEDs used in almost every piece of modern electronics, they have the greatest potential impact on energy savings globally. But LEDs didn't have much use until the '90s, when Japanese scientists discovered the missing link needed to...
Tree rings show human effect on climate goes back more than a century – The Globe and Mail
Tree rings can measure past climate because trees are sensitive to soil moisture. Scientists found over the past 120 years North America, Australia and the Mediterranean have been getting drier while parts of Asia, including India and western China, have been getting...
What is the tragedy of the commons? – Nicholas Amendolare – TED Ed
Is it possible that overfishing, super germs, and global warming are all caused by the same thing? In 1968, a man named Garrett Hardin sat down to write an essay about overpopulation. Within it, he discovered a pattern of human behavior that explains some of history’s...
Climate change and poor planning are fuelling more floods. Here’s what we can do about it | CBC News
Some regions across Canada are seeing an increase in floods due to heavier and more frequent rainfall. It's high time that governments at all levels figure out how to mitigate the costly impact, experts say. Source: Climate change and poor planning are fuelling more...
New way (for me anyway) to teach balancing chemical equations” submitted by Sandra Gambarotto
Misconceptions About Temperature – Veritasium
This video deals with common misconceptions about temperature and thermal conductivity. Made for ABC TV Catalyst http://www.abc.net.au/catalyst/ as an extended version of my Comparing Temperatures video: http://www.youtube.com/watch?v=hNGJ0W...
What’s Better for Wounds: Scabs or Bandages? – YouTube
When someone gets a little scrape, it's pretty common for them to cover it with a bandage while it heals. There are some people, though, who think it's best to leave the wound uncovered and let your body do its healing thing. Who's right? Science holds the answer!...
Grappling with Controversial Issues using Google Forms and Polleverywhere
What is this? Google Forms allows students to survey groups of people to get their opinions on key questions related to controversial issues (e.g., Reproductive cloning or Opt in vs. Opt out organ transplantation systems to relieve the organ shortage crisis). They...
First marsquake detected by NASA’s InSight mission | Science | AAAS
Faint quake is signal of seismicity in martian interior Source: First marsquake detected by NASA’s InSight mission | Science | AAAS
VFX Artist Shows You How Much Water is Actually on Earth – YouTube – submitted by Peter Cudmore
This video provides excellent graphics and analogies to describe the volume and distribution of water on earth. Thanks for the submission Peter!