Archaeologists working in Guatemala have unearthed new information about the Maya civilization's transition from a mobile, hunter-gatherer lifestyle to a sedentary way of life.
Archaeology
Mar 23, 2015
2
1735
A research group in the UA Lunar and Planetary Laboratory has found evidence in meteorites that hint at the discovery of a previously unknown region within the swirling disk of dust and gas known as the protoplanetary disk ...
Space Exploration
Mar 16, 2015
0
171
A UA-led collaboration of physicists and chemists has discovered that temperature behaves in strange and unexpected ways in graphene, a material that has scientists sizzling with excitement about its potential for new technological ...
Nanophysics
Mar 6, 2015
9
3144
Since the beginning of recorded time, humans have used materials found in nature to improve their lot. Since the turn of this century, scientists have studied metamaterials, artificial materials engineered to bend electromagnetic, ...
General Physics
Jan 26, 2015
7
270
NASA's Kepler Space Telescope, despite being hobbled by the loss of critical guidance systems, has discovered a star with three planets only slightly larger than Earth. The outermost planet orbits in the "Goldilocks" zone, ...
Astronomy
Jan 16, 2015
16
3087
(Phys.org) —Long believed to be one of the blandest regions of any of the giant gas planets, the southern hemisphere of Uranus indicates a flurry of previously unknown atmospheric phenomena, hinting at an unusual feature ...
Astronomy
Nov 14, 2014
11
0
The Asian monsoon already existed 40 million years ago during a period of high atmospheric carbon dioxide and warmer temperatures, reports an international research team led by a University of Arizona geoscientist.
Earth Sciences
Sep 14, 2014
0
0
An international team of paleontologists has identified the exquisitely preserved brain in the fossil of one of the world's first known predators that lived in the Lower Cambrian, about 520 million years ago. The discovery ...
Archaeology
Jul 16, 2014
1
0
An animal once believed to have disappeared from North America before humans ever arrived there might actually have roamed the continent longer than previously thought – and it was likely on the list of prey for some of ...
Archaeology
Jul 14, 2014
19
2
A University of Arizona-led team of physicists has discovered how to change the crystal structure of graphene, more commonly known as pencil lead, with an electric field, an important step toward the possible use of graphene ...
Nanomaterials
Apr 30, 2014
2
0
