2 dimensional space

Carl Sagan and a sliced apple – Photo credit: via Carl Sagan Planetary Society/Wikimedia Commons and John Finkelstein/Pexels

Innovation, Popular, Science

Can’t comprehend the 4th dimension? Carl Sagan explains it with an apple in this classic clip.

Tod Perry

1/25/2025
Pictured here: Anita Omary; her son, Osman; and Omary’s close friends – Photo credit: Array

In Partnership With Levi Strauss Foundation →

Family, Modern Families, Motherhood

Once a refugee seeking safety in the U.S., Anita Omary is using what she learned to help others thrive.

Sarah Watts

2/11/2026