Debris disks around main-sequence stars are tenuous belts of dust thought to be produced when asteroids or other planetesimals collide and fragment. They are common: more than about a quarter of all main-sequence stars have ...
Astronomy
Dec 3, 2021
1
83
It was 55 degrees and sunny Thursday at Sugar Bowl Resort, where the opening day of the 2021 ski season—already delayed because of warm weather—was still listed as "TBD."
Earth Sciences
Dec 3, 2021
1
65
Graphene consists of a planar structure, with carbon atoms connected in a hexagonal shape that resembles a beehive. When graphene is reduced to several nanometers (nm) in size, it becomes a graphene quantum dot that exhibits ...
Quantum Physics
Dec 3, 2021
0
129
In their recent publication, "Why is Denali (6,190 m) so big? Caught inside the tectonic wake of a migrating restraining bend," Jeff A. Benowitz and a research team from the University of Massachusetts Amherst, Virginia Tech, ...
How can we understand the activity of wild bats? Mostly soundless, flying in the dark, bats feed at night and evade our senses. Many bats can use echolocation to hunt and can avoid the traditional nets used to capture them; ...
Plants & Animals
Dec 3, 2021
0
8
By performing a series of real and 'fake' flybys, ESA's Mars Express has revealed how Mars' largest moon, Phobos, interacts with the solar wind of charged particles thrown out by the Sun—and spotted an elusive process that ...
Space Exploration
Dec 3, 2021
0
156
The Higgs boson doesn't stick around for long. Once it is created in particle collisions, the famed particle lives for a mere less than a trillionth of a billionth of a second or, more precisely, 1.6 x 10-22 seconds. According ...
Quantum Physics
Dec 3, 2021
17
433
A research institute's analysis has concluded that the incoming German government's plans for curbing greenhouse gas emissions are insufficient to put Germany on course to meet the goals of the 2015 Paris climate accord.
Environment
Dec 3, 2021
0
18
A competitor is usually just one click away, so how to companies make their websites stickier and so retain their potential buyers and persuade them to make a purchase? Writing in the International Journal of Technology Marketing, ...
Economics & Business
Dec 3, 2021
0
3
His warnings have gone largely unheeded, while wild pigs continue rapidly expanding across Western Canada, with no nationally co-ordinated science-based containment strategy in place and limited provincial resources available. ...
Plants & Animals
Dec 3, 2021
2
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