How Do You Help a Grieving Friend?

It’s human nature to want to help the people you love by fixing their problems, or at least helping alleviate the situation in some way. When someone is going through the grieving process, you can’t fix the problem. You can’t take away the pain, and most of the time, you can’t even share it. Cheering someone up only puts a band-aid on the underlying hurt. But you can be there for them, and that’s important. There’s more from Megan Devine about grief and how to handle it here. -Thanks, Maika!

Doodle Music – the relation between music and mathematical symmetry

Math artist Vi Hart illustrates the relation between music and mathematical symmetry. From the YouTube page:

A visual and musical expression of mathematical symmetry groups. The transformations done to the video are equivalent to the transformations done to the notes.

These type of repeating patterns are called frieze patterns. A couple wallpaper groups are also represented.

But the video is intuitive. You don’t have to completely understand it to enjoy it. (via


NASA 60th: How It All Began

President Eisenhower signed the National Aeronautics and Space Act on July 29, 1958. That act transferred the duties of the  National Advisory Committee for Aeronautics (NACA) from the military to a new civilian agency called the National Aeronautics and Space Administration (NASA). NASA came about as a response to the Soviet Sputnik program, and accelerated when President Kennedy challenged the US to go to the moon by the end of the ’60s. NASA has accomplished a lot in 60 years! This video is one of a series celebrating big milestones in NASA’s history. (via Digg)