All snowflakes have six sides. But they all have different shapes.
Look at these two snowflakes. How are they the same? How are they different?
Photo Credit: (l, r) Marion Owen/Design Pics/Getty Images
In the Know
Just Found: An ‘Extinct’ Clam That is Alive
The clams were found in California. They were found on … read more
In the Know
A Bumpy Ride
You are in rough patch of air. This is called … read more
In the Know
Scientists Win Nobel Prize
Dr. Charpentier is from France. She studies why some things … read more