Arrival of a density current made visible by the soil particles it lifts as it progresses, in Hombori, Mali. This phenomenon, which is of a convective nature, is known as a haboob. Photograph taken during the AMMA (African Monsoon...
Remnant of a street in the urban centre of Kalibangan. The Ghaggar-Hakra palaeochannel can be seen in the distance.
Credit: S. Gupta (Imperial College London)
The Indus or Harappan Civilisation was a Bronze Age society that developed mainly in the northwestern...
Cosmic rays interacting with the Earth's atmosphere producing ions that helps turn small aerosols into cloud condensation nuclei -- seeds on which liquid water droplets form to make clouds. A proton with energy of 100 GeV interact at the...
This is a map of recent Hawaiian volcanism, highlighting the Loa and Kea tracks.
Credit: Tim Jones, ANU
A study led by The Australian National University (ANU) has solved the 168-year-old mystery of how the world's biggest and most active volcanoes...
White-headed capuchin in Manuel Antonio National Park, Costa Rica.
Credit: © nicksen / Fotolia
Rhesus macaques and capuchin monkeys can find a stable solution when playing a competitive game in which one opponent always does better than the other, but only...
DNA (stock illustration).
Credit: © frenta / Fotolia
A neutral genetic mutation -- a fluke in the evolutionary process that had no apparent biological purpose -- that appeared over 700 million years ago in biological evolution could help explain the origin...
The genomes of the owl limpet (pictured), a freshwater leech and an ocean-dwelling worm are among the first sequenced genomes from a vast, understudied swath of the animal kingdom known as lophotrochozoans, which includes as many as one-quarter of...
This image shows a false-colored electron microscope image of the University of Minnesota device. The blue area marks the topological insulator on top of the optical waveguide in red.
Credit: University of Minnesota
Light can generate an electrical current in semiconductor...
Enjoying nature. Credit: The University of Queensland
People who visit parks for 30 minutes or more each week are much less likely to have high blood pressure or poor mental health than those who don't, according to new research by...
The key to the willow warblers' differing migration patterns probably lies in their genes.
Credit: Max Lundberg
The genetic make-up of a willow warbler determines where it will migrate when winter comes. Studies of willow warblers in Sweden, Finland and the...
Aberration-corrected HAADF/STEM images of as-synthesized Rh-ZSM-5. Single rhodium cations are circled in white with proposed ball-stick model of the structure.
Credit: Lawrence F. Allard, co-author and researcher at Oak Ridge National Laboratory
The direct oxidation of methane -- found in natural...
