Many complex systems have underlying networks: they have nodes which represent units of the system and their edges indicate connections between the units. In some contexts, the connections are symmetric, but in many they ...
Mathematics
Sep 8, 2020
0
169
Climate change occurring shortly before their disappearance triggered a complex change in the behavior of late Neanderthals in Europe: they developed more complex tools. This is the conclusion reached by a group of researchers ...
Archaeology
Aug 28, 2020
79
527
Teach a chimpanzee to fish for insects to eat, and you feed her for a lifetime. Teach her a better way to use tools in gathering prey, and you may change the course of evolution.
Plants & Animals
Dec 23, 2019
2
1644
A quantum computer may have solved a problem in minutes that would take the fastest conventional supercomputer more than 10,000 years. A draft of a paper by Google researchers laying out the achievement leaked in recent days, ...
Quantum Physics
Sep 26, 2019
0
303
It's no secret crows are smart. They're notorious for frustrating attempts to keep them from tearing into garbage cans; more telling, however, is that they are one of the few animals known to make tools.
Plants & Animals
Aug 23, 2019
7
1847
Beginning about 60,000 years ago, our species spread across the world occupying a wider range of habitats than any other species. Humans can do this because we can rapidly evolve specialized tools that make life possible ...
Social Sciences
Apr 1, 2019
4
328
Species are often involved in complex interactions with other species, which can affect their occurrence, abundance, feeding habits and disease transmission. Observing and studying species interactions can be difficult. To ...
Ecology
Feb 22, 2019
0
4
Spanish and US scientists have successfully identified animal species that can transmit more diseases to humans by using mathematical tools similar to those applied to the study of social networks like Facebook or Twitter. ...
Plants & Animals
Jun 11, 2013
0
0
For the first time, the dynamics of how Facebook user communities are formed have been identified, revealing surprisingly few large communities and innumerable highly connected small-size communities. These findings are about ...
Computer Sciences
Nov 8, 2012
1
0
(Phys.org)—Scientists at the U.S. Department of Energy's (DOE) Ames Laboratory are learning more about how nano-scale catalytic systems work, and their research could be the key to improved processes for refining biofuels ...
Materials Science
Oct 11, 2012
0
0
