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Sleep and hormones affect each other through your circadian rhythm, also called the sleep-wake cycle. A lack of sleep can affect several hormones at once. Getting 7 to 9 hours of sleep helps regulate ...

Space debris—the thousands of pieces of human-made objects abandoned in Earth's orbit—poses a risk to humans when it falls to the ground. To locate possible crash sites, a Johns Hopkins University ...

Discover how this powerful open-source SPICE simulator helps you analyse and validate analog, digital and mixed-signal circuits long before hardware is built with detailed netlist control, real ...

ChatGPT Go adds more access for $8 a month, without upgrading to Plus. Plus stays best for priority access and higher limits across top features. Pro is for power users who need the highest caps and ...