Subtle movement in ears, whiskers and noses can signal mice's feelings of pleasure, fear and pain, researchers find. J. Kuhl/Max Planck Institute of Neurobiology
To celebrate its 24th year in orbit, the NASA/ESA Hubble Space Telescope has released this beautiful new image of part of NGC 2174, also known as the Monkey Head Nebula.
NGC 2174 lies about 6400 light-years away in the constellation of
The image's central region, containing the star cluster, blends visible-light data taken by the Advanced Camera for Surveys and near-infrared exposures taken by the Wide Field Camera 3