Humans are sexual, meaning that both a male and a female are needed to reproduce. Each is equipped with specific organs capable of producing specific cells needed to procreate. In conjunction with a ...

Researchers from the Universitat Autònoma de Barcelona (UAB) have published an analysis that reveals new functions of the ...

Waves of undulating cilia drive several processes essential to life. They clear debris and mucus from the respiratory tract, move spinal fluid through the brain and transport embryos from the ovaries ...

Researchers have investigated the phenomenon of sexual parasitism in deep-sea anglerfish. The scientists show that this very rare mode of reproduction is associated with the loss of adaptive immunity.