To make a solid crystal, molecules are generally so tightly packed together there's no room for any movement. It means that solid crystals -- despite their strength and durability -- have generally ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Heavy elements: Researchers created molecules containing actinium (Ac) and Nobelium (No), atoms found on opposite sides of the actinide series of chemical elements. They expect chemical properties to ...

Electronics keep shrinking, but silicon is starting to run into physical limits. To go smaller, researchers are turning to ...

The sequel to Theodore Gray's acclaimed chemistry iPad app The Elements leads you into the wonderful world of molecules. Michelle Starr is CNET's science editor, and she hopes to get you as enthralled ...

You may have noticed that the rock formations are very different colors. The rock formations on the left are from Red Rock State Park in Texas, and on the right is El Capitan Mountain in Yosemite ...