WASHINGTON D.C., Feb. 28, 2016 -- The development of every animal in the history of the world began with a simple step: the fusion of a spermatozoon (the male gamete) with an oocyte, or egg (the ...
This archival footage from the 1930s offers an in-depth exploration of plant and aquatic life cycles, focusing on the processes of reproduction and growth at a microscopic level. The film begins with ...
BAYAHIBE, Dominican Republic (AP) — Oxygen tank strapped to his back, Michael del Rosario moves his fins delicately as he glides along an underwater nursery just off the Dominican Republic coast, ...