The sabertooth cat is an Ice Age icon and emblem of strength, tenacity and intelligence. These animals shared the North American landscape with other large carnivores, including short-faced bears, dire wolves and the American ...
Paleontology & Fossils
Apr 5, 2023
0
186
Male beetles face a trade-off between competing with other males for mating opportunities and repairing damage to their sperm DNA, according to a study published April 4 in the open access journal PLOS Biology by Mareike ...
Plants & Animals
Apr 4, 2023
0
119
The recent discovery of a sabretooth cat skull in southwest Iowa is the first evidence the prehistoric predator once inhabited the state.
Paleontology & Fossils
Mar 30, 2023
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74
Humans using sugar in cockroach traps has inadvertently led to female roaches being turned off by the sugary "gifts" males use to entice them into mating.
Plants & Animals
Mar 29, 2023
0
682
The more we learn about the biological world, the more complex it becomes.
Evolution
Mar 28, 2023
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55
Urine scent marks are the original social media, allowing animals to advertise their location, status and identity. Now Cornell research is shining a new light—via thermal imaging of mice—on how this behavior changes ...
Plants & Animals
Mar 21, 2023
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63
Mountain lions are protected from hunting in California by a law passed by popular vote in 1990. However, a team of researchers working across the state found that human-caused mortality, primarily involving conflict with ...
Plants & Animals
Mar 20, 2023
0
73
Scientists have created eggs using the cells of male mice for the first time, leading to the birth of seven mice with two fathers, according to research Wednesday hailed as "revolutionary".
Biotechnology
Mar 15, 2023
2
1272
Insect sexual communication relies to a significant extent on pheromones, chemical attractants that specifically allow males and females of a species to mate. Sex pheromones are distinctive to males and females of a species. ...
Plants & Animals
Mar 14, 2023
0
41
Black widow spiders have earned a fearsome reputation for their venomous bite. But in parts of the southern United States these spiders have much to fear themselves—from spider relatives who really don't like their company.
Ecology
Mar 13, 2023
0
20
