A pregnant stingray with no male companion now has a 'reproductive disease,' aquarium says
A North Carolina aquarium that said it had a pregnant stingray with no male companion now says the fish has a rare reproductive disease.
A North Carolina aquarium that said it had a pregnant stingray with no male companion now says the fish has a rare reproductive disease.
Plants & Animals
May 31, 2024
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A key feature of biological tissues is their inhomogeneity and their ability to grow via cell reproduction. To study this behavior, it is important to describe it using equations, which account for factors including growth ...
Cell & Microbiology
Apr 18, 2024
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A new Environmental Working Group study has found chlormequat, a little-known pesticide, in four out of five people tested. Because the chemical is linked to reproductive and developmental problems in animal studies, the ...
Environment
Feb 15, 2024
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In Japan, a peculiar gastropod species was discovered more than three decades ago, gaining attention upon being labeled as "vulnerable" or "near threatened" in several government and local red lists. This species, referred ...
Plants & Animals
Dec 29, 2023
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Researchers have developed a new optical coherence tomography (OCT) approach that can directly image coordination of tiny hair-like structures known as motile cilia in their natural environment. The ability to observe cilia ...
Cell & Microbiology
Nov 2, 2023
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Researchers are studying the dramatic physical transformation that some insects undergo to give birth to live young. This includes suppressing their immune systems to accommodate babies, which is something some insects and ...
Evolution
Oct 19, 2023
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Though cars are the biggest threat to coyotes taking up residence in U.S. cities, a new study suggests urban living poses a different kind of hazard to coyote health—in the form of chronic stress.
Plants & Animals
Aug 16, 2023
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Birth defects related to chromosomal abnormalities often stem from exposure to chemicals early in the mother's life. But determining which chemicals are at fault poses a serious challenge—akin to solving a hit-and-run case, ...
Ecology
Aug 15, 2023
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New research looks at navigation strategies for deformable micro-swimmers in a viscous fluid faced with drifts, strains, and other deformations.
Bio & Medicine
Jul 21, 2023
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The male reproductive system serves as a hotspot for the emergence of new genes. Perhaps that explains why more new mutations are inherited from fathers than from mothers. It doesn't, however, clarify why older fathers pass ...
Evolution
Jan 12, 2023
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