A new study confounds conceptions about the origins of the Saimaa ringed seal. In addition, scientists have observed that the genetic diversity of the Saimaa ringed seal decreased in the 20th century as a result of human ...
Evolution
Jan 30, 2023
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15
With ever more demands on the planet's natural resources, managing them carefully is ever more critical. But it can be challenging to make effective decisions for such complex systems. To do so, scientists and resource managers ...
Ecology
Jan 26, 2023
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4
Around 500 million years ago, early vertebrates in the seas became fish, adopting an inner skeleton and a flexible spine based on a nanocomposite of fibers and mineral, known as bone material. This "invention" of evolution ...
Analytical Chemistry
Dec 21, 2022
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21
The Great Lakes have endured a lot the past century, from supersized algae blobs to invasive mussels and bloodsucking sea lamprey that nearly wiped out fish populations.
Earth Sciences
Dec 19, 2022
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40
University of Cambridge scientists replicated a 1964 River Thames survey and found that mussel numbers have declined by almost 95%, with one species—the depressed river mussel—completely gone.
Ecology
Nov 28, 2022
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132
The water flow where adult fish live can affect the body shape and survival of their offspring, according to new research.
Plants & Animals
Nov 11, 2022
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90
People tend to laugh when I tell them that my job after college was catching fish out of the Hudson River. As someone who lacks the particular brand of outdoorsy-ness fitting to this job, it seems like an unlikely position ...
Ecology
Nov 3, 2022
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16
As tourists pose for selfies on the shores of Lake Victoria in Uganda, factories within spitting distance of the source of the Nile dump their waste directly into Africa's longest river.
Environment
Nov 2, 2022
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53
Historians have believed extensive herring trade started around the year 1200 AD, later controlled by the Hanseatic League. Now, a new study shows that it was already established in the Viking Age.
Archaeology
Oct 26, 2022
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385
Imagine you're a big yellowfin tuna, miles from shore out in the blue, swimming around carefree, until you start to feel a little itch near your eye. Maybe it's just a scratch that's healing, or maybe it's a tiny crustacean ...
Plants & Animals
Oct 20, 2022
0
85
