Past cosmological and astrophysical observations suggest that over one quarter of the universe's energy density is made up of a non-conventional type of matter known as dark matter. This type of matter is believed to be composed ...
(Phys.org)—Time marches relentlessly forward for you and me; watch a movie in reverse, and you'll quickly see something is amiss. But from the point of view of a single, isolated particle, the passage of time looks the ...
General Physics
Nov 19, 2012
172
0
A pair of researchers, one with the University of Bonn, the other the University of California, has found evidence that shows gender preferences differ more in countries that are more affluent and gender equal than in countries ...
Female guppies with smaller brains can distinguish attractive males, but they don't recognise them as being more appealing or choose to mate with them, according to a new study by UCL and Stockholm University researchers.
Evolution
Oct 8, 2018
0
101
(Phys.org) —In order to study many complex phenomena, physicists seek to isolate them in potential wells or boxes with easily described forms and boundary conditions. These features in turn dictate various behaviors of ...
Humpback whales are able to pass on hunting techniques to each other, just as humans do, new research has found. A team of researchers, led by the University of St Andrews, has discovered that a new feeding technique has ...
Plants & Animals
Apr 25, 2013
0
0
(PhysOrg.com) -- Physicists and astronomers have long believed that the universe has mirror symmetry, like a basketball. But recent findings from the University of Michigan suggest that the shape of the Big Bang might be ...
Astronomy
Jul 8, 2011
82
1
(PhysOrg.com) -- Breaking up may actually not be hard to do, say scientists who've found a population of tropical butterflies that may be on its way to a split into two distinct species.
Plants & Animals
Nov 5, 2009
5
1
Genetic studies of the past 20 years have extensively shown how, across human populations worldwide, the majority of genetic differences are encountered at the individual rather than at the population level. Two random humans ...
Social Sciences
Nov 18, 2022
0
33
Law enforcement agencies on Facebook disproportionately post about crimes involving Black suspects, according to new research from co-authored by a University of Chicago scholar.
Social Sciences
Nov 3, 2022
0
16
