Reference Terms
from Wikipedia, the free encyclopedia
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.
Related Stories
1
2
Science News
January 21, 2025
Jan. 21, 2025 — Experiments have yielded a fascinating new type of matter, neither granular nor crystalline, that responds to some stresses as a fluid would and to others like a solid. The new material, known as PAM (for polycatenated architected materials) could ...
Jan. 21, 2025 — Fast radio bursts are mysterious and brief flashes of radio emissions that were thought to be produced by magnetars, highly magnetized rotating neutron stars. Yet magnetars appear primarily in young ...
Jan. 21, 2025 — Marine scientists highlights the complex interplay between heat stress, disease onset and coral mortality. They found that 66 percent of the colonies were bleached by February 2024 and 80 per cent by ...
Jan. 21, 2025 — Astronomers have discovered extremely powerful winds pummeling the equator of WASP-127b, a giant exoplanet. Reaching speeds up to 33,000 km/h, the winds make up the fastest jet-stream of its kind ever measured on a planet. The discovery provides ...
Latest Headlines
updated 12:56 pm ET
Jan. 21, 2025 — DNA-nanoparticle motors are exactly as they sound: tiny artificial motors that use the structures of DNA and RNA to propel motion by enzymatic RNA degradation. Essentially, chemical energy is ...
Jan. 21, 2025 — Juvenile dolphins were found to have specialized receptors for fatty acids on their tongues, offering new insights into their growth and feeding ...
Jan. 21, 2025 — A breakthrough study sheds new light on how brain cells relay critical information from their extremities to their nucleus, leading to the activation of genes essential for learning and ...
Jan. 21, 2025 — A new study has identified a group of neurons that, when activated, can induce a hypometabolic state, akin to hibernation. The discovery could have ...
Jan. 21, 2025 — A new paper led by Professor Imanuel Lerman of UC San Diego provides a review of the field of bioelectronic medicine and the most promising opportunities for life-changing new therapies and ...
Jan. 21, 2025 — Scientists are unlocking the secrets of halide perovskites -- a material that's poised to reshape our future by bringing us closer to a new age of energy-efficient optoelectronics. Two physics ...
Jan. 21, 2025 — A team of researchers has developed innovative methods to enhance frequency conversion of terahertz (THz) waves in graphene-based structures, ...
Jan. 21, 2025 — The ability to alter proteins to refine control over binding affinity and specificity can create tailored therapeutics with reduced side effects, highly sensitive diagnostic tools, efficient ...
Jan. 21, 2025 — Do speakers of different languages build sentence structure in the same way? In a neuroimaging study, scientists recorded the brain activity of participants listening to Dutch stories. In contrast to ...
Jan. 21, 2025 — Following two months of record heat and precipitation in fall 2022, an estimated 7,500 lakes in West Greenland turned brown, began emitting carbon ...