A Danish amber collector's find upon a wild North Sea shore in the 1960's has proved to be of great and surprising significance. After having thoroughly examined the roughly 40-million-year-old piece of amber, University ...
Evolution
Aug 30, 2024
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93
The surprising discovery of a bacterium in a marine sponge from the Great Barrier Reef with striking similarity to Mycobacterium tuberculosis, the pathogen responsible for tuberculosis (TB), could unlock and inform future ...
Evolution
Aug 29, 2024
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33
Just like human societies, ant societies have a division of labor. Within a colony, some individuals feed the young while others are soldiers who protect the colony from intruders. New research across 794 ant species, published ...
Evolution
Aug 29, 2024
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2
Humans must regulate blood sugar concentrations to stay healthy and to fuel our cells. Too little or too much can cause serious health complications, and high blood sugar is a hallmark of the metabolic condition, diabetes. ...
Evolution
Aug 28, 2024
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69
Cacti are among the most diverse plants, from the giant saguaro cactus that can grow up to 18 meters in height, all the way down to the tiny button cactus which is a few centimeters tall. A new study by the Milner Centre ...
Plants & Animals
Aug 28, 2024
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91
The origin of eukaryotes is considered one of the greatest enigmas in biology: according to current doctrine, two prokaryotes, a so-called Asgard archaeon and a bacterium, are believed to have merged. The bacterium is said ...
Evolution
Aug 28, 2024
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42
In the hybrid zone that encompasses the Lehigh Valley in Pennsylvania, the habitats of the Carolina Chickadee and the Black-capped Chickadee converge, creating an opportunity for the different species to cross-breed and produce ...
Plants & Animals
Aug 28, 2024
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1
At the end of the Cretaceous, the duck-billed hadrosaurs were the most advanced herbivores on Earth. New research has revealed just how voracious these dinosaurs were, with their average tooth worn away in less than two months ...
Evolution
Aug 27, 2024
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70
A close reading of Darwin's work suggests a deep interest in cyclical events. Rhythmic phenomena in nature—today the subjects of the field of chronobiology—have been studied since at least the 18th century. In a perspective, ...
Evolution
Aug 27, 2024
0
19
Fossils are used to reconstruct evolutionary history, but not all animals and plants become fossils and many fossils are destroyed before we can find them (e.g., the rocks that contain the fossils are destroyed by erosion). ...
Evolution
Aug 26, 2024
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