Pollen

Pollen is a fine to coarse powdery substance comprising pollen grains which are male microgametophytes of seed plants, which produce male gametes (sperm cells). Pollen grains have a hard coat made of sporopollenin that protects the gametophytes during the process of their movement from the stamens to the pistil of flowering plants or from the male cone to the female cone of coniferous plants. If pollen lands on a compatible pistil or female cone, it germinates, producing a pollen tube that transfers the sperm to the ovule containing the female gametophyte. Individual pollen grains are small enough to require magnification to see detail. The study of pollen is called palynology and is highly useful in paleoecology, paleontology, archaeology, and forensics.

Pollen in plants is used for transferring haploid male genetic material from the anther of a single flower to the stigma of another in cross-pollination. In a case of self-pollination, this process takes place from the anther of a flower to the stigma of the same flower.

Wings of Life

Wings of Life, known as Pollen in France and Hidden Beauty: A Love Story That Feeds the Earth in the United Kingdom, is a 2011 French-American nature documentary directed by Louis Schwartzberg and released by Disneynature. It was released theatrically in France on March 16, 2011, with narration by Melanie Laurent, and in home media markets across the US on April 16, 2013, with narration by Meryl Streep.

Synopsis

The film's synopsis states:

Release

The film was released on Blu-ray and DVD by Walt Disney Studios Home Entertainment in North America as Wings of Life on April 16, 2013.

References

External links

  • Wings of Life - Disneynature US website
  • Pollen - Disneynature France website
  • Hidden Beauty: A Love Story That Feeds the Earth Disneynature UK website
  • Wings of Life at the Internet Movie Database
  • Pollen (novel)

    Pollen is a 1995 science fiction novel written by British author Jeff Noon.

    Plot summary

    Pollen is the sequel to Vurt and concerns the ongoing struggle between the real world and the virtual world. When concerning the virtual world, some references to Greek mythology are noticeable, including Persephone and Demeter, the river Styx and Charon, and Hades (portrayed by the character John Barleycorn).

    References

    External links

  • Pollen title listing at the Internet Speculative Fiction Database
  • Podcasts:

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    ) PULLMAN, Wash. - Scientists have unveiled a new food source designed to sustain honey bee colonies indefinitely without natural pollen ... [...]. This is an abstract of the document.

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    Open Source Humanoid Robots That You Can 3D Print Yourself: Hugging Face Buys Pollen Robotics

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