Fish conduct elaborate courtship rituals and some develop lifelong bonds.
A choreographer expresses the contemporary paradox of being a woman, Muslim, North African, Arab, and artist.
The fate of the Caspian seal may have been decided ﬁve million years ago.
Robber ﬂies are top predators in the insect world.
A visual atlas of solifuge jaws enables research on these poorly-understood arachnids.
Pigs possess complex ethological traits similar to dogs and chimpanzees.
Striations in teeth reveal the pace of life.
One hundred years ago, the search began for a mysterious Arctic territory.
The importance of food, jealousy, and paternal care in the evolution of owl monkey monogamy
La importancia del alimento, los celos y el cuidado paternal en la evolución de la monogamia en el mono mirikiná