For nearly 100 years, biologists have argued about how exactly natural selection can possibly work. If nature selects the individuals with the best genes, then why aren't all organisms the same? What maintains the genetic ...
Evolution
Dec 13, 2018
0
73
Predators have been identified as the shaping force behind mutually beneficial relationships between species such as clownfish and anemones.
Plants & Animals
Nov 28, 2018
0
4
Modern medicine's ability to keep us alive makes it tempting to think human evolution may have stopped. Better healthcare disrupts a key driving force of evolution by keeping some people alive longer, making them more likely ...
Evolution
Nov 14, 2018
3
100
Bits of genetic material in rivers make it possible to detect the organisms living in them – without having to collect these and examine them under the microscope. Researchers at Eawag, the ETH and the EPFL have now developed ...
Ecology
Nov 8, 2018
0
4
For centuries, gardeners have attempted to breed blue roses with no success. But now, thanks to modern biotechnology, the elusive blue rose may finally be attainable. Researchers have found a way to express pigment-producing ...
Plants & Animals
Oct 10, 2018
0
4
Side-blotched lizards in most of the Mojave Desert have tan and brown markings that blend in well with their desert surroundings. On the Pisgah Lava Flow, however, one finds a very different population of side-blotched lizards, ...
Evolution
Sep 6, 2018
4
252
In 1859, when Charles Darwin first articulated the theory of evolution, he speculated that a process of natural selection led species to adapt to their environments over time. He believed traits that helped an organism survive ...
Evolution
Aug 3, 2018
4
467
Nearly half of the human genome is composed of genetic parasites—transposons, plasmids, viruses, and other genetic elements that have one thing in common: they don't make any beneficial contributions to their hosts, and ...
Researchers at The University of Western Australia have demonstrated the sexual attractiveness of male fruit flies isn't just about how big they are or how nice they smell; it's also about how many mutations they carry.
Plants & Animals
Jun 1, 2018
1
45
Evolution may be responsible for a range of complex traits, including height and waist-to-hip ratio, and diseases such as schizophrenia, research from The University of Queensland shows.
Evolution
May 16, 2018
16
215
