Hacia el 1300 surgieron los primeros relojes mecánicos en Europa, instalados en campanarios, que revolucionaron la organización urbana y agrícola al medir el tiempo mediante toques de campana
Almost all frogs fertilize the eggs outside of the female's body. The male holds the female around the waist in a mating hug called amplexus. He fertilizes the eggs as the female lays them.
Research studies have found knitting to be associated with reduced levels of stress2, subjective improvement in cognitive functioning3, and a lower risk of cognitive decline4, mild cognitive impairment5, and dementia6,7,
