The discovery of several exceptionally preserved reproduction-related dinosaur specimens over the last three decades has improved our knowledge of dinosaur reproductive biology. Nevertheless, due to limited fossil evidence ...
Evolution
Nov 13, 2023
0
169
A fierce legal battle over the patent for a revolutionary gene-editing technique played out Tuesday in a US court, with billions of dollars at stake.
Biotechnology
Dec 7, 2016
0
579
Semen stored since 1968 in a laboratory in Sydney has been defrosted and successfully used to impregnate 34 Merino ewes, with the resulting live birth rate as high sperm frozen for just 12 months.
Biotechnology
Mar 17, 2019
12
973
Evolutionary chromosomal changes may take a million years in nature, but researchers are now reporting a novel technique enabling programmable chromosome fusion that has successfully produced mice with genetic changes that ...
Biotechnology
Aug 25, 2022
0
420
(Phys.org) —As is the case in all areas of science, our understanding of evolutionary biology is… well, evolving. Two such areas are macroevolution (any evolutionary change at or above the level of species – that is, ...
With a recent four-year, $600,000 grant from the National Science Foundation, a University of Kansas researcher is undertaking the most-detailed analysis ever carried out of how reptiles branch into various species.
Evolution
Mar 8, 2016
0
27
Parents face a trade-off between putting resources into their offspring versus using resources to enhance their chances of survival so they can have more offspring. The best allocation of resources depends on age. More experienced ...
Plants & Animals
Feb 15, 2022
1
54
Suppose you were trying to design a vaccine to combat next season's influenza virus. Having a detailed map that tells you exactly how various strains of the flu bug will evolve would be extremely helpful.
Evolution
Apr 14, 2016
0
20
When insects skip the light fandango their romantic foreplay often involves some pretty crazy things like hypnotic dance moves and flashy colors. In some species it ends with a complex ejaculate package that does more than ...
Evolution
Jun 27, 2017
0
194
Evolution, it seems, sometimes jumps instead of crawls. A research team led by a University of Chicago scientist has discovered two key mutations that sparked a hormonal revolution 500 million years ago.
Evolution
Jun 24, 2013
6
0
