Size matters—to livebearer fish, big fins are a big deal
To female molly and Limia fish, nothing is hotter than a male with a large dorsal fin. But these fins aren't just decorations to attract females.
To female molly and Limia fish, nothing is hotter than a male with a large dorsal fin. But these fins aren't just decorations to attract females.
Evolution
Jan 17, 2019
0
85
Evolution by Darwinian natural selection is immensely powerful—both in nature and within laboratories. Using 'laboratory evolution', we can take an enzyme which combines random mutations and functional selection, and improve ...
Biochemistry
Sep 12, 2018
12
280
Nucleic acid sequencing methods, which determine the order of nucleotides in DNA fragments, are rapidly progressing. These processes yield large quantities of sequence data—some of which is dynamic—that helps researchers ...
Mathematics
Dec 28, 2017
0
345
The recent uproar about seats on a British Airways flight crawling with bedbugs is only one of the unintended consequences that urbanization worldwide has on evolution, say Marc Johnson, an associate professor of biology ...
Evolution
Nov 2, 2017
0
42
A study by scientists from the University of Cambridge has revealed how cooperative behaviour between insect family members changes how rapidly body size evolves – with the speed of evolution increasing when individual ...
Evolution
May 29, 2017
62
487
Dr. Denise Su, curator and head of paleobotany and paleoecology at the Cleveland Museum of Natural History was co-author on new research that described a species of otter new to science and that is among the largest otter ...
Archaeology
Jan 23, 2017
0
773
Adapt or die. That's the reality for an animal species when it is faced with a harsh environment. Until now, many scientists have assumed that the more challenging an animal's environment, the greater the pressure to adapt ...
Evolution
Nov 16, 2016
3
52
New research suggests that humans became the large-brained, large-bodied animals we are today because of natural selection to increase brain size. The work, published in the journal Current Anthropology, contradicts previous ...
Evolution
Apr 18, 2016
9
56
Evolution may be more intelligent than we thought, according to a University of Southampton professor.
Evolution
Dec 18, 2015
47
546
It's tempting to believe the violin was created in the mind's eye of its most famous craftsmen: the Amati, Stradivari, and Guarneri families.
Social Sciences
Nov 17, 2015
3
714