Specialty Digest

DISCOVER IDEAS THAT SHAPE OUR WORLD

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Nature

The latest Specialty Digest coverage in Nature.

Nature

Nature
Vine maple leaves turning bright red and orange in autumn, National Park Service photo.

Why Do Leaves Change Color in Autumn?

Every autumn, the same question resurfaces along with the color: how does a tree know to turn its leaves red, orange and gold, seemingly overnight? The answer is not overnight at all — it is a slow unmasking. Those colors were in the leaf the whole summer. Green was just loud enough to hide them. […]

Why Do Leaves Change Color in Autumn? Read More »

Fall colors were never a new pigment appearing — they were there all summer, hidden under green. Here is the chemistry behind autumn's reds, oranges and golds.

Nature
A Great Egret wading in a healthy wetland, representing wildlife that has returned after restoration

Life Returns: Tracking a Decade of Wetland Recovery

The Great Egret standing in a Florida Bay slough is, whether the photograph says so or not, standing inside the largest hydrologic restoration project ever attempted in the United States. Its presence there is not nature quietly bouncing back on its own — it is the closest thing wetland science has to a live scoreboard.

Life Returns: Tracking a Decade of Wetland Recovery Read More »

Ten years of restoration work, told through the return of the species that had disappeared.