Animal weapons such as antlers, tusks and limbs specialized for fighting require a large energy expenditure to produce and may cost even more to maintain. Because the leaf-footed bug sheds its large hind limbs, used as weapons ...
Plants & Animals
Nov 15, 2018
13
69
Thanks to one peculiar characteristic of carbon nanotubes, engineers will soon be able to measure the accumulated strain in an airplane, a bridge or a pipeline – or just about anything – over the entire surface or down ...
Nanomaterials
Nov 15, 2018
0
102
It is an idea for repairing our broken political system that is so promising that new members of Congress will learn about it before taking office in January.
Political science
Nov 15, 2018
6
8
Smoke masks. Eye drops. No outdoor exercise. This is how Californians are trying to cope with wildfires choking the state, but experts say an increase in serious health problems may be almost inevitable for vulnerable residents ...
Environment
Nov 15, 2018
0
24
The already-rare Stone's sheep of the Yukon is 20 per cent less common than previously thought, according to new research by University of Alberta biologists.
Plants & Animals
Nov 15, 2018
0
2
Facebook said it's making progress on detecting hate speech, graphic violence and other violations of its rules, even before users see and report them.
Internet
Nov 15, 2018
1
2
The most luminous galaxy ever discovered is cannibalizing not one, not two, but at least three of its smaller neighbors, according to a new study published today (Nov. 15) in the journal Science and coauthored by scientists ...
Astronomy
Nov 15, 2018
248
216
When children are victims of crimes, the legal testimony they provide is known as forensic interviews. However, since victims are often traumatized and potentially abused by their caregivers they can be reluctant to come ...
Social Sciences
Nov 15, 2018
0
2
A glucose-powered biofuel cell that uses electrodes made from cotton fiber could someday help power implantable medical devices such as pacemakers and sensors. The new fuel cell, which provides twice as much power as conventional ...
Materials Science
Nov 15, 2018
0
66
Computer scientists develop algorithms that control everything from unmanned aerial vehicles to desktop computers to the cellphones in our pockets. But it can be complicated to match the code they develop to hardware systems ...
Computer Sciences
Nov 15, 2018
0
5
