The naked HIV capsid, left, would be quickly detected and eliminated from the cell, but a host protein, cyclophilin A, in red in the image on the right, binds to the capsid and enables it to transit through the...
Of the more than 1,000 verified planets found by NASA's Kepler Space Telescope, eight are less than twice Earth-size and in their stars' habitable zone.
Credit: NASA
Planet Earth is situated in what astronomers call the Goldilocks Zone -- a sweet...
Current coral bleaching in Fiji.
Credit: Professor Peter J Mumby, University of Queensland
Geoengineering of the climate may be the only way to save coral reefs from mass bleaching, according to new research.
Coral reefs are considered one of the most vulnerable...
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...
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...
Street flooding in Miami (stock image).
Credit: © light_magic / Fotolia
The East Coast of the United States is threatened by more frequent flooding in the future. This is shown by a recent study by the Universities of Bonn, South Florida,...
Titan's winter polar vortex imaged by the Cassini Spacecraft's ISS camera. The vortex is now in deep winter and can only be seen because the polar clouds within the vortex extend high above Titan's surface into the sunlight. The...
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...
The flexible tissue scaffold, shown here emerging from a glass pipette with a tip one millimetre wide, unfolds itself after injection into the body. This could enable surgeons to use minimally invasive techniques, which reduce recovery time, scarring and...
This is a damselfish of the Chromis species.
Credit: Jacob Johansen/Univ. of Texas at Austin
Just as one too many cocktails can lead a person to make bad choices, a few drops of oil can cause coral reef fish to make...
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...
