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This is a list of radioactive nuclides (sometimes also called isotopes), ordered by half-life from shortest to longest, in seconds, minutes, hours, days and years. Current methods make it difficult to measure half-lives between approximately 10 −19 and 10 −10 seconds.
Unihemispheric slow-wave sleep ( USWS) is sleep where one half of the brain rests while the other half remains alert. This is in contrast to normal sleep where both eyes are shut and both halves of the brain show unconsciousness. In USWS, also known as asymmetric slow-wave sleep, one half of the brain is in deep sleep, a form of non-rapid eye ...
Hypnagogia is the transitional state from wakefulness to sleep, also defined as the waning state of consciousness during the onset of sleep. Its opposite state is described as hypnopompia – the transitional state from sleep into wakefulness. Mental phenomena that may occur during this "threshold consciousness" phase include hypnagogic ...
The effects of spaceflight on the human body are complex and largely harmful over both short and long term. [1] Significant adverse effects of long-term weightlessness include muscle atrophy and deterioration of the skeleton ( spaceflight osteopenia ). [2] Other significant effects include a slowing of cardiovascular system functions, decreased ...
Researchers now have a better understanding of why sleeping in a different place often makes people feel groggy afterwards, notes Popular Science.. According to a study published in May, it's ...
Since the pandemic slowed, my team at Jotform has transitioned to working full-time in our offices. I’ve seen the benefits, in terms of learning, collaboration, innovation, and personal well-being.
Russell Crowe has admitted that he’s “slightly uncomfortable” with the fact that Ridley Scott is making a sequel to “Gladiator.” Crowe played the lead character, Maximus Decimus Meridius ...
Power nap. A woman having a nap in a napping pod, in the café Nappuccino in Barcelona, Catalonia (Spain) A power nap or cat nap is a short sleep that terminates before deep sleep ( slow-wave sleep; SWS). A power nap is intended to quickly revitalize the sleeper. A power nap combined with consuming caffeine is called a stimulant nap, coffee nap ...