Posts Categorized: Recommended

Guest Post: Earth’s Beginning

An Excerpt From The Canon, By Natalie Angier …Earth’s crust had cooled down, and the swirling molten iron at its core had begun generating the magnetic fields that help deflect the searing solar wind. So shielded, the vast clouds of volcanic reflux were not peeled off into space, but instead hovered above the ground, gathering and... Read more »

TED-Ed

Use engaging videos on TED-Ed to create customized lessons. You can use, tweak, or completely redo any lesson featured on TED-Ed, or create lessons from scratch based on any video from YouTube. www.ed.ted.com