The small size and isolation of the endangered population of Southern Resident killer whales in the Pacific Northwest have led to high levels of inbreeding. This inbreeding has contributed to their decline, which has continued ...
Ecology
Mar 20, 2023
0
80
Wheat, which includes bread wheat and its relatives, is a staple food crop that feeds about 35% of the world's population. As one of the first ancient crops to appear in the Fertile Crescent, wheat has been cultivated for ...
Evolution
Mar 20, 2023
0
123
As the planet warms, animals that breed in the Arctic are at particular risk. But a new study reported in Current Biology on March 1 offers some encouraging news: in an apparent reaction to pressures along their former migratory ...
Plants & Animals
Mar 1, 2023
0
117
Male whales along Australia's eastern seaboard are giving up singing to attract a mate, switching instead to fighting their male competition.
Plants & Animals
Feb 16, 2023
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43
Difference in body size (or sexual dimorphism) between males and females is common across the animal kingdom. One of the most extreme examples of sexual dimorphism is found in the cichlid fish species Lamprologous callipterus ...
Evolution
Feb 9, 2023
0
28
A new study in the journal Proceedings of the National Academy of Sciences uses genetic data from more than 250 bird species to investigate patterns of trait diversity over the distant past and under a previous period of ...
Evolution
Feb 8, 2023
0
42
Countries hosting the Olympic Games do not tend win more medals when socioeconomic factors are controlled for, reports a study published in Scientific Reports. The findings dispute the existence of the so-called "host effect"—where ...
Social Sciences
Feb 2, 2023
0
9
A new study led by Western biological anthropology professor Jay Stock, suggests that milk consumption in some regions between 7,000 and 2,000 years ago led to an increase in human body mass and stature. This ran counter ...
Evolution
Jan 17, 2023
0
226
A team of researchers at the University of Agder's, Center for Coastal Research, working with a colleague at the Institute of Marine Research, both in Norway, has found that when protected areas for lobsters are established ...
An international team of researchers has found that some lizards living in increasingly warm environments have shorter telomeres, leading to shorter lifespans. In their paper published in Proceedings of the National Academy ...
