spiritual letters

<n>Northrop Grumman</n>'s <n>B-2 Spirit</n> stealth bomber.

<n>In My Mind’s Eye</n>, a drawing in colored pencils on paper.

Illustration by <n>María Jesús Contreras</n> for <n>Insider</n>, with art direction by <n>Rebeca Zisser</n>.

The land art installation <n>Desert Breath</n> in Egypt, created by <n>D.A.ST. Arteam</n> in 1997.

Untitled illustration by artist <n>Daniel Martin Diaz</n>.

National Geographic Nature | When sperm whales need a nap, they take a deep breath, dive down about 45 feet and arrange themselves into perfectly-level, vertical patterns | Facebook

Human microbial culture by <n>N.A. McFall</n> of <n>Well Public Studio</n>, inspired by <n>Hélène Michèle</n>.

<n>Soul of Science</n> by artist <n>Daniel Martin Diaz</n>.

<n>Habiballah of Sava</n>'s painting <n>The Concourse of the Birds</n> (c. 1600), from a manuscript of <n>Farid al-Din `Attar</n>'s poem.