As we brace for an unusually hot summer, spare a thought for koalas. They will be out and about in search of love, food and water in the searing heat.
Plants & Animals
Dec 12, 2023
0
2
In 1981, scientists discovered that female fish exposed to high temperatures developed testes instead of ovaries. Since then, over 1,100 studies on different animal species, including 400 on freshwater fish, have found similar ...
Ecology
Oct 16, 2023
0
38
The Y chromosome is a never-ending source of fascination (particularly to men) because it bears genes that determine maleness and make sperm. It's also small and seriously weird; it carries few genes and is full of junk DNA ...
Evolution
Aug 24, 2023
0
12
Traditional plastic, based on fossil oil, has flooded the Earth and there is microplastic in all living things. This has led to intensive research for alternatives that decompose faster in nature. Bio-based polymers based ...
Environment
Jun 1, 2023
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36
Traces of sex hormones extracted from a woolly mammoth's tusk provide the first direct evidence that adult males experienced musth, a testosterone-driven episode of heightened aggression against rival males, according to ...
Plants & Animals
May 3, 2023
0
119
Red-bellied lemurs are one of only a handful of mammal species in which the males are active participants in caring for their young. New University of Arizona-led research suggests that expectant lemur dads may experience ...
Plants & Animals
Feb 22, 2023
0
17
Researchers of the Department of Ethology, Eötvös Loránd University (ELTE) have been investigating dogs' reactions to wolf howls. Are there dogs that are more prone to reply with howling? Are these dogs genetically closer ...
Ecology
Feb 6, 2023
3
1671
Scientists at UC San Francisco (UCSF) have developed a new way of looking at sex-biased diseases that is rooted in evolutionary biology.
Evolution
Oct 20, 2022
0
17
It's easy to assume all animals have a neat dividing line between the sexes because the differences in appearance between males and females can be so striking. But the more scientists learn about wildlife, the clearer it ...
Plants & Animals
Sep 28, 2022
0
3
Researchers from McGill University have identified a form of chemical signaling in mice to defend their offspring. The researchers found that proximity to pregnant and lactating female mice increased stress hormones in males ...
Plants & Animals
May 24, 2022
2
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