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-1

I have been a cyclist in Tasmania for decades and until recently had never been swooped by a magpie. In November 2020 I rode the "Tassie Gift" bike-packing event and was swooped and chased at Caveside on my way to Mole Creek. There were multiple aggressive birds over about a 10km stretch and I was hit on the helmet twice as I tried to outrun them. ...


2

Your respiratory system has quite a number of neural and non-neural (e.g., physical, emotional, and chemical factors) controls in addition to the ability to be voluntary controlled. A strong influence on much of our respiratory physiology is a response to changes in carbon dioxide in the blood (well, more specifically, it's blood pH that is regulated). ...


2

I found this article ([free PDF on ResearchGate) from 1989 in Behavioral Ecology and Sociobiology entitled "Fighting, assessment, and frequency alteration in Blanchard's cricket frog". The author analyzed the sound wave frequency of the frogs' dominant call to see if it negatively correlated with fighting. In other words, were the frogs with deeper ...


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