科学与环境

How the biological clock regulates phases of wakefulness

来源: Phys.org - latest science and technology news stories · 发布于

How the biological clock regulates phases of wakefulness
来源: Phys.org - latest science and technology news stories

The circadian clock is an internal biological system that regulates sleep-wake cycles, as well as many physiological functions such as body temperature and hormone production. In many animals, this clock relies on a network of neurons that generates rhythms of approximately 24 ho

The circadian clock is an internal biological system that regulates sleep-wake cycles, as well as many physiological functions such as body temperature and hormone production. In many animals, this clock relies on a network of neurons that generates rhythms of approximately 24 hours.

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Hidden 'funnels' let complex systems slip between stable states
科学与环境

Hidden 'funnels' let complex systems slip between stable states

Many systems in nature can settle into several different stable states, with the final state depending on their starting conditions. However, the boundaries separating these states are often far more complicated than they first appear.

Phys.org - latest science and technology news stories ·

Artisans turn old São Paulo subway construction uniforms into backpacks
科学与环境

Artisans turn old São Paulo subway construction uniforms into backpacks

Corporate uniforms, advertising banners and industrial technical fabrics almost always end up in landfills at the end of their "life cycles," even when they are still in good condition. To address this issue, Ciclou, a startup based in São Paulo, Brazil, has developed a system th

Phys.org - latest science and technology news stories ·