Early in the 1970s, a paleontologist working on the outskirts of an Indian village found small, bead-like fossils embedded in the gray chert dotting the surrounding fields. The site was notorious for turning up plant fossils ...
Evolution
Dec 19, 2023
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224
Deep in the forests of Haiti lives the blue-eyed La Hotte glanded frog (Eleutherodactylus glandulifer), which once went 20 years without being observed by scientists. It belongs to a diverse genus from the Caribbean that ...
Ecology
Nov 6, 2023
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61
In a new study published in PNAS, researchers have extracted the first ancient DNA from Caribbean parrots, which they compared with genetic sequences from modern birds. Working with fossils and archaeological specimens, they ...
Ecology
Sep 25, 2023
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599
Birds native to the tropical Andes, many of which cannot be found anywhere else, are threatened by increasing agricultural development in the region. A new study details how the resulting habitat loss affects specific species ...
Plants & Animals
Aug 22, 2023
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84
Cattle may seem like uniquely American animals, steeped in the lore of cowboys, cattle drives and sprawling ranches. But cattle didn't exist on the American continents prior to the arrival of the Spanish, who brought livestock ...
Plants & Animals
Aug 8, 2023
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317
Caecilians are an elusive type of amphibian that primarily live underground and look like a cross between a worm and a snake. One of the few things that is known about caecilians is their unique method for feeding their young. ...
Plants & Animals
Jul 24, 2023
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172
Biologists attempting to conserve and restore denuded environments are limited by their scant knowledge of what those environments looked like before the arrival of humans. This is especially true of coastal ecosystems, many ...
Ecology
Jul 13, 2023
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15
With just a few clicks of a mouse, you can purchase your very own redtail garra, a type of fish that feeds on algae. Information about the fish's biology, however, is much less easily obtained. That's because redtail garra, ...
Plants & Animals
Jul 10, 2023
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420
In 2003, smalltooth sawfish (Pristis pectinata) had the unenviable distinction of being the first native marine fish listed under the Endangered Species Act. The classification followed decades of declining populations due ...
Plants & Animals
Jul 10, 2023
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36
The results of a yearlong science program show that one of the best ways to instill a lasting interest in science among children is to engage them alongside their family members. This finding runs counter to the current framework, ...
Social Sciences
Jun 14, 2023
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13
