Closterium

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African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.

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Flags of the countries of the world (flagpoles).

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The Colosseum, Rome, Italy. Giant amphitheatre built in Rome under the Flavian emperors. (ancient architecture; architectural ruins)

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Statue of Nostradamus

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July, 2006, Launch of Space Shuttle Discovery STS-121. See attached for full caption information.

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Artist interpretation of a Space meteoroid impact. Meteor impact. Asteroid, End of the world, danger, destruction, dinosaur extinct, Judgement Day, Planet Earth, Doomsday Predictions, comet

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All Saints Day. All Souls Day. Candles in cemetery in Poland on All Saints Day, November 1. All Souls Day, November 2. Christian church, All Hallows, Solemnity of All Saints, Feast of All Saints, purgatory, Roman Catholic church

7 Unique Burial Rituals Across the World

Closterium

genus of green algae

Learn about this topic in these articles:

desmids

In desmid
…common desmid genera, the sickle-shaped Closterium, often contains gypsum crystals in cell vacuoles.
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