California sea lions have managed to maintain—and, in the case of males, increase—their average body size as their population grows and competition for food becomes fiercer. This is in contrast to other marine mammals, ...
Plants & Animals
Apr 27, 2023
0
76
Many animals live in groups. One of the main benefits of this is shared knowledge. This information can help animals tackle problems such as where to find food and mates, how to follow migration routes and how to avoid predators.
Plants & Animals
Apr 25, 2023
0
12
Biological cells, whether free-living or part of a multicellular organism, have to perform hundreds of functions to survive, such as perceiving their environment, uptaking and metabolizing nutrients, regenerating decayed ...
Cell & Microbiology
Apr 24, 2023
0
31
Recent debates around transgender people and sexual diversity have been marked by essentialism, a profoundly conservative mindset with deep links to religious and metaphysical dogmatism. It is a stance through which conservative ...
Social Sciences
Apr 18, 2023
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26
In nature, competition for survival among organisms or species is a fundamental evolutionary force, as described by Darwin's theory of natural selection. Similarly, in multicellular organisms, competitive interactions also ...
Evolution
Apr 13, 2023
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96
Proteins are components of every cell. How they have changed in the course of evolution for the purpose of taking on new functions in the body, has long been a subject of research. The fact that proteins can emerge practically ...
Evolution
Apr 12, 2023
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58
Scientists have for the first time explained why larger dogs have shorter lifespans than smaller dogs—selective breeding for size has made large breeds more susceptible to cancer.
Evolution
Apr 11, 2023
2
159
Astronomers are currently searching for signs of life in the "habitable zones" of nearby stars, which is defined as the band around a star where liquid water can potentially exist. But a recent paper argues that we need to ...
Astrobiology
Apr 10, 2023
1
33
Sexual selection provides an answer to the existence of lavishly ornate signals in animals, but not to the question of why such signals are attractive—for example, why do females prefer the extravagant plumage of peacocks? ...
Evolution
Apr 4, 2023
1
167
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
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