Using an amateur 0.14-m aperture telescope, astronomers have observed a nearby spiral galaxy known as M63 (or NGC 5055). The observations identified the presence of five faint dwarf galaxies around M63 and allowed the researchers ...
A slow drive in the dead of night through the forests of northwestern Costa Rica helped home in on the target. Dr. Mirjam Knörnschild and her team had equipment with a microphone hooked to the top of their car to take recordings ...
Plants & Animals
Nov 18, 2020
0
361
Millions of medical imaging procedures each year rely on radioactive technetium. One of its radioisotopes decays quickly and is useful as a tracer material in nuclear medicine. But another, technetium-99, is very long-lived, ...
Materials Science
Nov 18, 2020
0
31
Membrane-based systems have great potential as low energy alternatives in applications like desalination, pharmaceutical recovery, purification and waste treatment.
Nanomaterials
Nov 18, 2020
0
63
For a slow-growing microbe that multiplies infrequently, Mycobacterium tuberculosis, the pathogen that causes tuberculosis (TB) has long puzzled researchers as to how it develops resistance to antibiotics so quickly, in a ...
Evolution
Nov 18, 2020
0
45
Maybe you go for a leisurely walk, curl up with a good book, lift weights or reach for some comfort food when you're not feeling well or have had a particularly stressful day. Although there are myriad ways that we all outwardly ...
Plants & Animals
Nov 18, 2020
0
40
The word "dinosaur" tends to evoke giant animals with massive bodies, long necks and tails, and tiny heads. These "quintessential dinosaurs" actually represent one prominent subgroup of the Dinosauria, the so called Sauropoda ...
Evolution
Nov 18, 2020
0
334
The availability of food is unevenly distributed on a global basis. This gap is likely to worsen, while food waste will increase and pressure on the environment will rise, according to a new study. Researchers from the Potsdam ...
Social Sciences
Nov 18, 2020
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4
Scientists at the Complexity Science Hub Vienna (CSH) have shown that the accelerating fragmentation of society—often referred to as filter bubbles—is a direct consequence of the growing number of social contacts. According ...
Social Sciences
Nov 18, 2020
5
249
For more than 40 years, researchers have been studying the mineralogy of scoria cones and lava flows of fumaroles in Kamchatka. The features were formed after two major eruptions of Tolbachik Volcano—in 1975-1976 and 2012-2013. ...
Materials Science
Nov 18, 2020
0
24
