Salmo trutta (Brown trout)

To Study Today’s Ecosystems, Look to History

An unlikely source of data about the decline of trout in modern Spain: a book from the 1850s.
A Rosy-breasted Longclaw specimen

How Ornithologists Figured Out How to Preserve Birds

A very nineteenth-century-science problem: lots of decaying avian specimens.
Black-Tip Reef Sharks in shallow water lagoon, Fakarava, Tahiti

Sharks Are Hiding from Scientists in Plain Sight—Almost

Marine biologists need to count sharks to save them, but the common practice of using video cameras to record populations could be improved.
Illustration of Robusta Coffee

Plant of the Month: Robusta Coffee

What’s there to love about “bad” coffee? For much of the world, plenty.
A bull elk searches for food beneath the snow in Yellowstone National Park

The Slaughter of Elk at Yellowstone National Park

And how it changed Park Service policy.
Aerial View of Boreal Nature Forest in Summer, Quebec, Canada

Climate Change’s Dangerous Effects on the Boreal Forest

The forest's unique ecosystem protects the world's largest carbon sink—the Earth's permafrost layer. But for how much longer?
42nd Street in Manhattan, New York

Could More Urban Trees Mitigate Runoff and Flooding?

With climate change comes more flooding. As cities confront the risks and potential damages, trees could become even more important.
Coloured SEM of eye of sand fly (Ceratopogonidae)

Dude, There Are Sand Flies That Consume Cannabis

Could these blood-sucking pests actually have the munchies?
A Spring Peeper rests casually on a garden flower.

Are Peepers Starting to Peep Earlier?

The call of the common frog species Pseudacris crucifer is a reliable marker of spring. Will climate change affect that?
Cork oak (Quercus suber) pasture near Arcos de la Frontera, Cádiz, Spain.

Plant of the Month: Cork

Why is cork so strongly associated with bottle stoppers? The answer goes back centuries.