Whether or not a solid can emit light, for instance as a light-emitting diode (LED), depends on the energy levels of the electrons in its crystalline lattice. An international team of researchers led… [+2992 chars]
A terahertz optical spectroscopy system prototype with a sensing area comparable to the cross-sectional area of only five human hairs was developed by researchers from Osaka University’s Institute of… [+2884 chars]
In many Missouri backyards, a carpet of small purple or white violets is a sure sign of spring. Research from Matthew Austin, a postdoctoral fellow with the Living Earth Collaborative at Washington … [+1456 chars]
Curious Kids is a series for children of all ages. If you have a question youd like an expert to answer, send it to curiouskidsus@theconversation.com. How many ice ages has the Earth had, and could … [+4358 chars]
image: Chaotic and non-chaotic population dynamics cannot be reliably differentiated by visual inspection of time series. In this random sample of chaotic and non-chaotic time series of insects, mamm… [+3651 chars]
<li>Halliwell, B. & Gutteridge J. M. C. Free Radicals in Biology and Medicine 5th edn (Oxford Univ. Press, 2015). </li><li>Sies, H. et al. Defining roles of specific reactive oxygen species (ROS… [+22687 chars]
The first high-quality genome of the desert locust -- those voracious feeders of plague and devastation infamy and the most destructive migratory insect in the world -- has been produced by U.S. Depa… [+4646 chars]
Ryan Knapp The last few days have seen a parade of planets lined up in the night sky with Mercury, Venus, Saturn, Mars, Jupiter, and the moon all visible — a planetary alignment that won’t happen ag… [+4107 chars]
Global food demand is a global dilemma. Over the past century, the world population has quadrupled. Food demand is expected to grow between 59 to 98 percent by 2050, yet it may not be possible for … [+5988 chars]
One of the largest comets known is approaching our planet on the only trip through the inner solar system it will make during our lifetimes. Five years ago, the Hubble Space Telescope spotted a lar… [+2241 chars]
image: A total of 1,038 publicly available ocean microbial community genomes (metagenomes) were collected at 215 globally distributed sitesview more Credit: Map tiles © Esri. Sources: GEBCO, NOAA, … [+3844 chars]
Astronomers say theyve discovered a new ultra-faint dwarf galaxy, which they believe can help answer some questions about the early stages of the universe. The team of researchers was led by astrono… [+144 chars]
