Ever wonder how lightning works? Scientists are still figuring it out, but what we do know is fascinating. Learn about positive and negative lightning, red sprites, blue jets, and ball lightning in this episode of SciShow! Hosted by: Michael Aranda Continue reading
The resonant frequencies of your vocal tract change when you breathe in a lungful of helium. Now, here’s how and why helium affects your voice.
Source: Why Does Helium Affect Your Voice?
See the International Space Station! As the third brightest object in the sky the space station is easy to see if you know when to look up.
Source: International Space Station
Astronomers went looking for a far-off mystery planet and found a cadre of worlds much closer to home.
Source: 12 New Moons Found Orbiting Jupiter
Physical and Chemical Properties of Matter. Mr. Causey discusses physical properties and changes as well as chemical properties and changes. Physical changes result in NO NEW substances and chemical changes result in NEW substances (products) because of a chemical reaction. Tearing a piece of paper is a physical change but burning a piece of paper is a chemical change. Continue reading
What can we learn from the slimy, smelly side of life? In this playful talk, science journalist Anna Rothschild shows us the hidden wisdom of “gross stuff” and explains why avoiding the creepy underbelly of nature, medicine and technology closes us off to important sources of knowledge about our health and the world. “When we explore the gross side of life, we find insights that we never would have thought we’d find, and we even often reveal beauty that we didn’t think was there,” Rothschild says. Continue reading
A Canadian science communicator wanted to show how people’s emotions and desire for easy answers can be manipulated when it comes to science and health information. His fake video with a very real message now has millions of views.
Source: Canadian video debunking fake online health claims becomes viral hit | CBC News
With inquiry-based learning, middle school science students use experiments and discussion to stretch their thinking. Continue reading