A clever use of non-science engineering data from NASA's Mars rover Curiosity has let a team of researchers, including an Arizona State University graduate student, measure the density of rock layers in 96-mile-wide Gale ...
Space Exploration
Jan 31, 2019
4
423
A team of scientists from Arizona State University's School of Molecular Sciences and Germany have published in Science Advances online today an explanation of how a particular phase-change memory (PCM) material can work ...
General Physics
Nov 30, 2018
7
129
Knots are indispensable tools for such human activities as sailing, fishing and rock climbing, (not to mention, tying shoes). But tying a knot in a lacelike strand of DNA, measuring just billionths of a meter in length, requires ...
Bio & Medicine
Nov 3, 2018
0
280
Diatoms are tiny, unicellular creatures, inhabiting oceans, lakes, rivers, and soils. Through their respiration, they produce close to a quarter of the oxygen on earth, nearly as much as the world's tropical forests. In addition ...
Nanophysics
Jul 16, 2018
2
121
When it comes to matching simplicity with staggering creative potential, DNA may hold the prize. Built from an alphabet of just four nucleic acids, DNA provides the floorplan from which all earthly life is constructed.
Nanophysics
May 7, 2018
0
215
Around four billion years ago, the Moon had a magnetic field that was about as strong as Earth's magnetic field is today. How the Moon, with a much smaller core than Earth's, could have had such a strong magnetic field has ...
Earth Sciences
Apr 25, 2018
1
219
Across the world of mammals, teeth come in all sorts of shapes and sizes. Their particular size and shape are the process of millions of years of evolutionary fine-tuning to produce teeth that can effectively break down the ...
Archaeology
Apr 11, 2018
2
216
Imagine a year in Africa that summer never arrives. The sky takes on a gray hue during the day and glows red at night. Flowers do not bloom. Trees die in the winter. Large mammals like antelope become thin, starve and provide ...
Earth Sciences
Mar 12, 2018
4
919
Water, always important, always controversial, always fascinating, remains surprising. For a substance that is ubiquitous on Earth, three quarters of our planet is covered with it, researchers can still be surprised by some ...
Condensed Matter
Mar 8, 2018
8
868
Long ago, about 400,000 years after the beginning of the universe (the Big Bang), the universe was dark. There were no stars or galaxies, and the universe was filled primarily with neutral hydrogen gas.
Astronomy
Feb 28, 2018
214
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