This tiny fish loves to perch on corals, adding playful charm to any reef. The fish needs a 70-gallon tank with hiding spots and plenty of live rock for grazing. With vibrant colour, thick lips and a ...
Fish often avoid intense stimuli, but scientists and animal welfare groups have long debated whether fish can feel pain. So is there an answer? Animal rights organization PETA claims on its ...
Stunning discoveries and fresh breakthroughs in DNA analysis are changing our understanding of our own evolution and offering a new picture of the "other humans" that our ancestors met across ...