The field of evolutionary biology has seen its share of spirited debates. But if there's one principle that virtually every expert in the field agrees on, it's that natural selection occurs at the level of the genome.
Evolution
Jan 16, 2020
9
1870
(PhysOrg.com) -- Although the question of what makes humans different from other animals doesn't have a single obvious answer, one seemingly conspicuous human trait is morality. Darwin, in his book The Descent of Man, and ...
In October, a paper titled "Assembly theory explains and quantifies selection and evolution" appeared in the journal Nature. The authors—a team led by Lee Cronin at the University of Glasgow and Sara Walker at Arizona State ...
Evolution
Nov 11, 2023
4
169
In the animal kingdom, survival essentially boils down to eat or be eaten. How organisms accomplish the former and avoid the latter reveals a clever array of defense mechanisms. Maybe you can outrun your prey. Perhaps you ...
Evolution
Feb 24, 2020
0
981
A new study is the first to identify how human brains grow much larger, with three times as many neurons, compared with chimpanzee and gorilla brains. The study, led by researchers at the Medical Research Council (MRC) Laboratory ...
Evolution
Mar 24, 2021
1
691
Researchers have discovered a 380-million-year-old heart—the oldest ever found—alongside a separate fossilized stomach, intestine and liver in an ancient jawed fish, shedding new light on the evolution of our own bodies.
Evolution
Sep 15, 2022
0
373
A fear of spiders, arachnophobia, is in our DNA. You don't learn to freeze at the site of these creatures; you're born with the fear. Even the sight of hypodermic needles and houseflies does not trigger a similar response. ...
Four research articles published in Nature follow the genetic traces and geographical origins of human diseases far back in time. The analyses provide detailed pictures of prehistoric human diversity and migration, while ...
Evolution
Jan 13, 2024
0
200
An international study led by UNSW researchers has mapped one of the most intact and complete dog genomes ever generated.
Plants & Animals
Jun 1, 2021
0
2174
Evolutionary theory predicts that pairs of chromosomes within asexual organisms will evolve independently of each other and become increasingly different over time in a phenomenon called the 'Meselson effect'.
Evolution
Jan 26, 2016
3
3139
