| It's during this time that male humpbacks emit vocalizations that sound, at least to human ears, like barks, chirps, and moans. |
| Sources of light appear bright because the radiation that they emit enters the eye directly. |
| Sparkling green eyes emit a sort of glow that brightens the beautiful face of this mysterious figure. |
| Recycled glass tiles emit a nacreous sheen that changes throughout the day. |
| Most adhesives, for instance, emit either no or very low levels of volatile organic compounds. |
| When excited, the binturongs emit a variety of grunts and hisses, say researchers. |
