Extensively managed semi-natural grasslands have high plant and animal richness and play a central role in the conservation of biodiversity; the rapid decrease in these habitats in the last few ...
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 ...
Who hasn't seen it before: the view through the microscope in which a sperm penetrates an egg cell and fertilizes it. This fundamental step in procreation happens dynamically and seemingly without ...
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