(Phys.org)—Standard evolutionary theories of aging and mortality, being based on mean-field assumptions – which analyze the behavior of large and complex stochastic models by studying a simpler model – conclude that ...
The question of how human societies evolve from small groups to the huge, anonymous and complex societies of today has been answered mathematically, accurately matching the historical record on the emergence of complex states ...
Mathematics
Sep 23, 2013
13
1
Uncovering the evolution of any set of living creatures is a complex and highly detailed task for scientists, and theories and approaches that may differ over time may indeed change the fossil record. But paleoanthropologist ...
Evolution
Jul 11, 2022
0
714
A new study led by Adelaide researchers has estimated, for the first time, the rates of evolution during the "Cambrian explosion" when most modern animal groups appeared between 540 and 520 million years ago.
Evolution
Sep 12, 2013
47
0
(Phys.org) —"One thing led to another," people often say. Events, discoveries and relationships are triggered by something previous. The iPhone case was designed only because the iPhone was invented first. A song became ...
Mathematics
Aug 15, 2014
1
0
Selfless behavior and cooperation cannot be taken for granted. Mohammad Salahshour of the Max Planck Institute for Mathematics in the Sciences (now at Max Planck Institute of Animal Behavior), has used a game theory-based ...
Mathematics
Nov 18, 2022
0
298
After decades of laboring under other theories that never seemed to add up, a team led by biologist Rama Singh has concluded that what causes menopause in women is men.
Other
Jun 13, 2013
21
1
(Phys.org)—A small team of researchers with the University of New South Wales and Monash University, both in Australia, has developed a theory that suggests tuberculosis may have evolved into a disease as a result of the ...
We all start from a single cell, the fertilized egg. From this cell, through a process involving cell division, cell differentiation and cell death a human being takes shape, ultimately made up of over 37 trillion cells across ...
Cell & Microbiology
Sep 15, 2022
2
145
(Phys.org)—A trio of researchers with the University of Florida has found evidence of genital swelling in a tuatara embryo from over a hundred years ago and it offers evidence that penile evolutionary development in vertebrates ...
