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Fatigue (physical)
Fatigue is a state, following a period of mental or physical activity, characterized by a lessened capacity for work and reduced efficiency of accomplishment, usually accompanied by a feeling of weariness, sleepiness, or irritability.
Note: The above text is excerpted from the Wikipedia article "Fatigue (physical)", which has been released under the GNU Free Documentation License.
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Science News
November 20, 2024
Nov. 18, 2024 — A newly discovered pterosaur fossil is shedding light on the evolutionary journey of these ancient flying reptiles. This complete specimen, named Skiphosoura bavarica, provides crucial insights into how pterosaurs transitioned from early, smaller ...
Nov. 18, 2024 — An international team of researchers has achieved an unprecedented milestone: the creation of mouse stem cells capable of generating a fully developed mouse using genetic tools from a unicellular organism, with which we share a common ancestor that ...
Nov. 16, 2024 — Some of the first human beings to arrive in Tasmania, over 41,000 years ago, used fire to shape and manage the landscape, about 2,000 years earlier than previously ...
Nov. 13, 2024 — Could social bonds be the key to human big brains? A study of the fossil teeth of early Homo from Georgia dating back 1.77 million years reveals a prolonged childhood despite a small brain and an ...
Latest Headlines
updated 12:56 pm ET
Nov. 20, 2024 — Fiber is something that most of us get far too little of. To change that, we need to actually enjoy eating it. Food researchers have now invented a ...
Nov. 20, 2024 — While toxic in high concentrations, copper is essential to life as a trace element. Many tumors require significantly more copper than healthy cells for growth -- a possible new point of attack for ...
Nov. 20, 2024 — Antibacterial drugs are important for treating infections. But increasingly, bacterial resistance to current drugs -- so they don't work well, or even at all -- means new ones are urgently needed. ...
Nov. 20, 2024 — Residential garden produce grown near the Fayetteville Works fluorochemical plant can expose those who consume it to per- and polyfluoroalkyl ...
Nov. 20, 2024 — Dairy cows typically rest for 10 or more hours a day, so a dry, clean, and comfortable place -- such as a freestall -- to lie down and rest is ...
Nov. 20, 2024 — Researchers have led a clinical trial of a drug that mimics the effects of alcohol in more than 100 patients with laryngeal dystonia, a neurological ...
Nov. 20, 2024 — Typically, closely related animal species have difficulty coexisting because they are competing for similar resources. Despite eating the same figs, ...
Nov. 20, 2024 — Depression is one of the most common mental illnesses. As many as 280 million people worldwide are affected by this disease, which is why researchers have developed an artificial intelligence (AI) ...
Nov. 20, 2024 — Mortality attributable to air pollution and extreme temperatures is a major concern, and it is expected to heighten in the future. An international ...
Nov. 20, 2024 — Children living in war-torn countries not only suffer from poor mental health outcomes, but war may cause adverse biological changes at the DNA level, which could have lifelong health impacts, ...