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Ecology Jul 25, 2024

Important region of marine ecosystem in Southwest Atlantic is shallower than expected, study finds

Researchers at the Federal University of São Paulo (UNIFESP) and the University of São Paulo (USP) have determined, for the first time with precision, the vertical limits of the marine environments in the Southwest Atlantic, ...

Evolution Jul 25, 2024

A soft needle in an oceanic haystack: Scientists discover a new species of chordate

The Cambrian fossil record indicates that most animal phyla had diversified and inhabited the Earth's oceans approximately 518 million years ago. But even though chordates—the group that includes vertebrates like humans—were ...

Ecology Jul 25, 2024

Tagging seals with sensors helps scientists track ocean currents and a changing climate

A surprising technique has helped scientists observe how Earth's oceans are changing, and it's not using specialized robots or artificial intelligence. It's tagging seals.

Plants & Animals Jul 25, 2024

Fort Worth Zoo hits conservation milestone by hatching endangered crocodiles

The Fort Worth Zoo made wildlife conservation history, marking the "first-ever repeated" breeding of endangered gharial crocodiles.

Plants & Animals Jul 25, 2024

Washington state nears a plan to remove key culverts for salmon—after spending $4 billion

As the Washington State Department of Transportation spends billions of dollars removing concrete and metal pipes that block spawning salmon, another state agency is finally finishing a strategy to fix all the state's fish ...

Archaeology Jul 25, 2024

Rock art and archaeological record reveal man's complex relationship with Amazonian animals

Rock art explored by archaeologists in the Colombian Amazon has provided an insight into the complex relationship between the earliest settlers on the continent and the animals they encountered.

Plants & Animals Jul 24, 2024

There's a new top fish of the Columbia River, and it doesn't mind the warm water

There is a new king of the Columbia. Each spring, a chrome tide of fish native to the East Coast floods the Northwest's mightiest river by the millions. Shad, not salmon, are thriving in the warm, still water created by hydroelectric ...

Environment Jul 24, 2024

Waters along Bar Harbor, Acadia, home to billions of microplastics

Along the shores of Acadia National Park, Bar Harbor and the Schoodic Peninsula are the vast, briny waters of Frenchman Bay. With 98 square miles of water and 39 islands, the bay is vital to shorebirds, fish, lobstermen and ...

Plants & Animals Jul 24, 2024

Seabirds are threatened by trawl fisheries, study finds

Seabirds are among the most threatened creatures globally, often due to incidental mortality (bycatch) in fisheries. Several hundreds of thousands of seabirds are thought to be killed worldwide each year by two of the three ...

Social Sciences Jul 24, 2024

Addressing food insecurity for poor South African households

Food insecurity is a feature of life for millions of South Africans. Food insecurity refers to a lack of regular access to enough safe and nutritious food for average growth and development and an active and healthy life. ...

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