Humans May Have Already Reached Their Maximum LifespanLinda GeddesNature magazine
The roles of the environment and genes, of course, also figure in the longevity and life span of humans and to understand these roles researchers have often resorted toanimal models, freely and broadly extrapolating from them to the human condition. No doubt, animal models are indispensable for...
In humanity's early days, the average lifespan is fairly short. 在人类早期,平均寿命挺短的。 There are fewer lives to live, and your influence is usually limited to people physically near you. 你只能活一小段时间,于是你的影响力通常仅限于真正在你“身边”的人。 But as humans survive longer...
The role of Stranger was played by a confederate with whom participants had no history of previous interactions, while the Familiar was defined as an acquaintance with whom participants shared recurring interactions. The biological sex of the Stranger matched that of the Familiar. The ethnicity of ...
Discerning the relationship between sociality and longevity would permit a deeper understanding of how animal life history evolved. Here, we perform a phylogenetic comparative analysis of ~1000 mammalian species on three states of social organization (so
I’ve spotted great-spangled fritillaries (Speyeria cybele) in our garden and along country roads where I’ve recently walked. The largest of Minnesota’s fritillaries, with a wingspan of 2.5-to-4.0 inches, great-spangled adults display an orange, brown and black pattern of stripes, dots ...
1.3The ‘Historical Present’: The Life Span and Life Course Social historians and psychohistorians emphasize common elements of context that people share in a historical period. Yet within historical periods, unique trends and events occur that differentiate age groups and even individuals within age...
"In this insightful and provocative book that asks questions about how we age, and whether humans can overcome decay and degeneration, Sinclair grapples with some of the most fundamental questions around the science of aging. The result is an elegant and exciting book that deserves to be read ...
Life-span development refers to the study of human growth and change that occurs from infancy through old age, emphasizing the holistic, multifunctional, multidirectional, and plastic nature of development across the entire lifespan. AI generated definition based on:International Encyclopedia of the Soci...
The causes underlying sex differences in lifespan are strongly debated. While females commonly outlive males in humans, this is generally less pronounced in societies before the demographic transition to low mortality and fertility rates. Life-history th