double helix (noun)

1. The concept of a double helix can be seen in the intertwining branches of the Tree of Life symbol in many religious traditions.

2. In the comic book series, the superhero acquired his superpowers after being exposed to a radioactive double helix.

3. Their love was compared to a double helix, as their lives intertwined in a complex and beautiful way.

4. The discovery of the double helix structure of DNA by Watson and Crick in 1953 revolutionized the field of genetics.