Overfishing has significantly reduced the populations of larger species of marine fish. In fact, stocks of large fish have declined by two-thirds in one century. These findings come from an international research team who ...
Ecology
Jan 16, 2015
0
248
(Phys.org) —When we imagine drama playing out between predators and prey, most of us picture stealthy lions and restless gazelle, or a sharp-taloned hawk latched on to an unlucky squirrel. But Ben Baiser, a post-doctoral ...
Plants & Animals
Apr 2, 2013
3
0
Parasitoid wasps lay their eggs on a spider's back. This team proposes that by injecting the spider host with the molting hormone, ecdysone, the wasp induces the spider to make a special web for the wasp's pupa.
Plants & Animals
Apr 29, 2019
4
566
Researchers from UCL, Stanford Engineering, Google, Chalmers and Mozilla Research have built a new system that protects Internet users' privacy whilst increasing the flexibility for web developers to build web applications ...
Security
Oct 5, 2014
1
0
After counting all the normal, luminous matter in the obvious places of the universe—galaxies, clusters of galaxies and the intergalactic medium—about half of it is still missing. So not only is 85% of the matter in the ...
Astronomy
Oct 4, 2019
109
168
Invasive species cause biodiversity loss and about $120 billion in annual damages in the U.S. alone. Despite plentiful evidence that invasive species can change food webs, how invaders disrupt food webs and native species ...
Plants & Animals
Nov 4, 2021
0
176
(Phys.org)—Researchers have demonstrated that the geometry of a natural spider web can be used to design new structures that address one of the biggest challenges in sound control: reducing low-frequency noise, which is ...
For years criminal websites shrouded in secrecy have thrived beyond the reach of traditional search engines, but a group of French engineers has found a way to navigate this dark web—a tool they don't want to fall into ...
Internet
Dec 30, 2018
1
21
(Phys.org)—Complexity – defined as having emergent properties or traits that are not a function of, and are therefore difficult or inherently impossible to predict from, the discrete components comprising the system – ...
The US National Security Agency broke the encryption securing the United Nations' internal video conferencing at its New York headquarters, German news weekly Der Spiegel reported Sunday, citing secret NSA documents.
Internet
Aug 25, 2013
39
0
