Fruit of the pong-pong tree (Cerbera odollam)

Cerbera odollam: “The Suicide Tree” That Harms and Heals

Even before The White Lotus, people feared the poisonous pong-pong tree, Cerbera odollam. But there's another way to look at the plant and its effects.
Red-lined Sea Cucumber Thelenota rubralineata in the shallow water near Moyo Island, Sumbawa, Indonesia.

Weird and Wondrous Sea Cucumbers

These spiny or slimy ocean creatures display an astonishing diversity of appearances, behaviors and lifestyles. Many are increasingly threatened.
A dog riding the Moscow metro

Dogs of the Moscow Metro

The public attitude toward the adventurous dogs who have mastered the Moscow metro system has roots in an egalitarian Soviet culture.
Portrait of Carl Linnaeus, 1855

Was Carl Linnaeus Bad at Drawing?

Linnaeus has often been thought of as a poor artist, but visualization was a core element of his analytical tool set.
Foliage of Acacia Senegal (Senegalia Senegal).

Acacia: A Legacy of Artistry and Extraction

The thorny Acacia tree produces gum arabic, a versatile substance that’s been driving global trade for centuries.
Ectomycorrhizal fungi

The Fungi in the Carbon Jigsaw

Out of sight, below the soil’s surface, fungi play a vital role in the existence and health of our forests, woodlands, jungles, and prairies.
Green Iguanas

The Reptilian Renaissance

Think reptiles like crocodiles and caimans are slow learners? It’s probably because you’re human.
A unicorn, a squirrel and a mouse. Cut-out engravings pasted onto paper

The Undying Unicorn

What role could a mythical animal play in our lives—centuries after its existence came into question?
Sturgeon

Atlantic Sturgeon Were Fished Almost to Extinction

Ancient DNA reveals how the Chesapeake Bay population changed over centuries.
Sugar maple (Acer saccharum) in The North American Sylva by François André Michaux. Illustration by Henri-Joseph Redouté, 1819.

Tradition in Turmoil: Sugar Maple and Climate Change

With harvests dependent on the spring freeze-thaw cycle, the maple industry is seeking ways to mitigate damage wrought by a changing climate.