Tyrannosaurus rex, renowned for being one of the most fearsome creatures to have ever lived, evolved a bite that was less impressive in relation to its body size than a tiny Galapagos ground finch, scientists say.
Plants & Animals
Jan 9, 2019
0
164
A team of researchers at the University of Sydney has discovered a honeybee gynandromorph with two fathers and no mother—the first ever of its kind observed in nature. In their paper published in the journal Biology Letters, ...
In recent years, scientists have engineered bacteria with expanded genetic codes that produce proteins made from a wider range of molecular building blocks, opening up a promising front in protein engineering.
Biochemistry
Nov 28, 2018
0
20
Sex is costly for insects. It uses up resources such as water, energy and time. Some species, like bush crickets, can ejaculate as much as a quarter of their body weight. In others, like one species of fruit fly, their sperm ...
Plants & Animals
Jun 20, 2018
0
4
Predicting chance-driven evolution seems impossible. Nevertheless, scientists from AMOLF in Amsterdam and the ESPCI in Paris have succeeded in making predictions about the evolution of a set of genes in E. coli. When and ...
Evolution
Apr 13, 2018
1
110
Instead of having more children, a grandmother may pass on her genes more successfully by using her cognitive abilities to directly or indirectly aid her existing children and grandchildren. Such an advantage could have driven ...
Evolution
Jul 20, 2017
1
29
In a world of sometimes scarce resources, greed, the trait that encourages resource accumulation, would seem to be an evolutionary advantage. But, new research reveals that while greed may appear to be a good strategy, it ...
Plants & Animals
Jul 12, 2017
0
5
There's no need to reinvent the genetic wheel.
Evolution
Aug 25, 2016
0
379
Insects exhibit breathing patterns called discontinuous gas-exchange cycles that include periods of little to no release of carbon dioxide to the environment. Researchers who studied the respiratory patterns of 15 species ...
Evolution
Jan 13, 2016
0
11
Can animals recognize distantly related, unfamiliar individuals of the same species? Siberian jays possess this ability as evolutionary biologists from the University of Zurich recently could demonstrate for the first time. ...
Plants & Animals
Oct 26, 2015
0
66
