Koalas suffer in the heat: How Australians can help this summer
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.
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
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Leopard seals are prehistoric, reptilian-looking marine predators often portrayed as scary villains in movies such as "Happy Feet" and "Eight Below," but little is known about their basic biology. The combination of the extreme ...
Plants & Animals
Jun 26, 2023
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Nanoscientists have developed a wearable textile that can convert body movement into useable electricity and even store that energy. The fabric potentially has a wide range of applications from medical monitoring to assisting ...
Nanomaterials
Jun 5, 2023
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117
Researchers in the Oregon State University College of Engineering have developed a handheld sensor that tests perspiration for cortisol and provides results in eight minutes, a key advance in monitoring a hormone whose levels ...
Biochemistry
Mar 22, 2023
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Mortality rates of orphaned koala joeys could be greatly reduced by a non-invasive stress test kit being trialed by University of Queensland researchers.
Plants & Animals
Mar 20, 2023
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During an oral examination, those who tend to perceive the situation as a challenge rather than a threat are less stressed and perform better.
Education
Mar 9, 2023
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The birth of a second child is a remarkable experience not only for the parents, but also for the older sibling. From human behavioral studies it is known that the change in the family constellation is a confusing and stressful ...
Plants & Animals
Sep 7, 2022
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A new analysis explores relationships between domestic cats' hormone levels, gut microbiomes, and social behaviors, shedding light on how these solitary animals live in high densities. Hikari Koyasu of Azabu University in ...
Plants & Animals
Jul 27, 2022
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Despite the good care, a shelter can be a stressful environment for dogs. Researchers at Utrecht University investigated if the amount of the hormone cortisol in hair indicates the levels of stress that dogs experience before, ...
Veterinary medicine
Apr 21, 2022
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Families of fish tend to share similar reactions to stressful situations, new research shows.
Plants & Animals
Feb 15, 2022
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Cortisol is a corticosteroid hormone or glucocorticoid produced by the adrenal cortex, that is part of the adrenal gland (in the zona fasciculata and the zona reticularis of the adrenal cortex). It is usually referred to as the "stress hormone" as it is involved in response to stress and anxiety, controlled by CRH. It increases blood pressure and blood sugar, and reduces immune responses. Various synthetic forms of cortisol are used to treat a variety of different illnesses. The most well-known of these are a natural metabolic intermediary of cortisol named hydrocortisone. When first introduced as a treatment for rheumatoid arthritis, hydrocortisone was referred to as Compound E.
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