Hibernation: a Periodical Phenomenon

An Evolutionary Selection Model Based on a Biological Phenomenon: The Periodical Magicicadas

Magicicada is the genus of periodical cicadas which display a unique combination of long life cycles, periodicity, and mass emergences. Their nymphs live underground and stay immobile before constructing an exit tunnel in the spring of their 13th or 17th year, depending on the species. Once out, the adult insects live only for a few weeks with one sole purpose: reproduction. Both 13 and 17 are ...

A Periodical of Particle Physics

Hibernation

Hibernation (multiday torpor) and daily torpor in heterothermic mammals and birds are characterized by pronounced temporal reductions in body temperature, energy expenditure, water loss, and other physiological functions and are the most effective means for energy conservation available to endotherms. Hibernators express multiday torpor predominately throughout winter, which substantially enhan...

Of Recent Periodical Literature

The demography of Sandwich in this period has attracted attention from previous historians but has not been systematically studied. This article goes some way towards rectifying this situation by tracing the town’s growth from c. 1,500–1,700 in the mid-sixteenth century to c. 5,500 by 1610, population growth ending during the 1630s after which decline set in, the 1671 Hearth Tax suggesting a po...

Underground hibernation in a primate

Hibernation in mammals is a remarkable state of heterothermy wherein metabolic rates are reduced, core body temperatures reach ambient levels, and key physiological functions are suspended. Typically, hibernation is observed in cold-adapted mammals, though it has also been documented in tropical species and even primates, such as the dwarf lemurs of Madagascar. Western fat-tailed dwarf lemurs a...