Psychological researchers are working to understand the cognitive processes, ideologies, cultural demands, and conspiracy beliefs that cause smart people to resist scientific messages. Using surveys, experiments, observational ...
Social Sciences
Jan 22, 2017
118
7254
Darwinian evolution is the process by which natural selection promotes genetic changes in traits that favor survival and reproduction of individuals. How fast evolution happens depends crucially on the abundance of its "fuel": ...
Evolution
May 26, 2022
1
1092
(PhysOrg.com) -- Studying chemical modifications in the chromosomes of cells is akin to searching for changes in coiled spaghetti. Scientists at Cornell have figured out how to stretch out tangled strands of DNA from chromosomes, ...
Analytical Chemistry
Oct 31, 2011
0
0
Molecular biologists and bioengineers at the University of California San Diego have unraveled key mechanisms behind the mysteries of aging. They isolated two distinct paths that cells travel during aging and engineered a ...
Molecular & Computational biology
Jul 16, 2020
1
2290
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
For the very first time, a study led by Julian Chen and his group in Arizona State University's School of Molecular Sciences and the Biodesign Institute's Center for the Mechanism of Evolution, has discovered an unprecedented ...
Molecular & Computational biology
Oct 3, 2022
0
2302
Many lower organisms retain the miraculous ability to regenerate form and function of almost any tissue after injury. Humans share many of our genes with these organisms, but our capacity for regeneration is limited. Scientists ...
Biotechnology
Aug 5, 2016
3
266
Maturing sperm cells turn on most of their genes, not to follow their genetic instructions like normal, but instead to repair DNA before passing it to the next generation, a new study finds.
Cell & Microbiology
Jan 23, 2020
0
454
Mitochondrial Eve and Y-chromosomal Adam—two individuals who passed down a portion of their genomes to the vast expanse of humanity—are known as our most recent common ancestors, or MRCAs. But many aspects of their existence, ...
Archaeology
Aug 1, 2013
1
0
The second century Alexandrian astronomer and mathematician Claudius Ptolemy had a grand ambition. Hoping to make sense of the motion of stars and the paths of planets, he published a magisterial treatise on the subject, ...
Evolution
Jun 6, 2022
0
452
