Current Events

  • Atmospheric CO2 Level Tops 400 ppm
    During the week of May 13th, the CO2 level at the Mauna Loa Observatory in Hawaii topped 400 ppm rep...Read more

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    Atmospheric CO2 Level Tops 400 ppm

    During the week of May 13th, the CO2 level at the Mauna Loa Observatory in Hawaii topped 400 ppm repeatedly. Daily levels of CO2 can vary due to weather, and there are seasonal trends as well. The level of atmospheric greenhouse gases continues to increase, now over 120 ppm since the Industrial Revolution began. For more on the Keeling Curve, see http://keelingcurve.ucsd.edu/. Find out more about greenhouse gases and warming.
  • Massive Tornado Outbreak on Tornado Alley
    The week of May 19 brings dozens of tornadoes to Tornado Alley in the states of Oklahoma, Kansas, Io...Read more

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    Massive Tornado Outbreak on Tornado Alley

    The week of May 19 brings dozens of tornadoes to Tornado Alley in the states of Oklahoma, Kansas, Iowa, Illinois and Missouri. On May 20th, a massive tornado struck Moore, Oklahoma, devastating communities - destroying over 100 homes and hitting two elementary schools and a hospital - with many casualties and deaths. Our thoughts are with our friends and colleagues suffering from these storms. For more on the May 20th storms, see the NOAA Storm Prediction Center Storm Report.
  • Kansas Legislator Proposes Bill to Outlaw Sustainability Education
    A bill has been introduced in the Kansas legislature this week that would prohibit the promotion of ...Read more

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    Kansas Legislator Proposes Bill to Outlaw Sustainability Education

    A bill has been introduced in the Kansas legislature this week that would prohibit the promotion of sustainability. Here is a link to the one-page bill: http://www.kslegislature.org/li/b2013_14/measures/documents/hb2366_00_0000.pdf. See report on Bloomberg News.
Nicolas Poussin: "The Infant Bacchus Entrusted to the Nymphs of Nysa; The Death of Echo and Narcissus" (1657). The painting shows Mercury (in Greek, Hermes) delivering the newly born baby Bacchus (in Greek, Dionysus) to the nymphs of Nysa. The Hyades were also called the nymphs of Nysa because they lived on Mount Nysa.
Click on image for full size
Image courtesy of the Fogg Art Museum. Gift of Mrs. Samuel Sachs in memory of Mr. Samuel Sachs. To be reproduced only by permission of the Harvard University Art Museums. (c) President and Fellows of Harvard College, Harvard University Art Museums.

Hyades

For the ancient Greeks, the Hyades were daughters of Pleione and Atlas, a giant who carried the heavens on his shoulders. The Hyades were sisters of the Pleiades and the Hesperides. They were very attached to their brother Hyas. One day, while Hyas was hunting, he was killed by a lion. The Hyades were so overcome with grief they committed suicide. Zeus changed them into a cluster of stars and placed them in the constellation Taurus the Bull.

One of the Hyades, Aldebaran, is the brightest star and represents the Bull's eye. The other Hyades are in a peculiar V-shape,forming the horns and the nose of the bull. Because the Hyades appear during rainy seasons, the Greeks believed them to be messengers of spring rain showers and autumn storms. Their name means in Greek "to rain." The rain was believed to represent their tears of grief for their brother Hyas.

According to a variant of the myth, Zeus changed the Hyades into a group of stars as a reward for having nursed his son, the god Dionysus. Dionysus was the result of a clandestine affair between Zeus and Semele. In order to hide the child from his jealous wife Hera, Zeus gave him to the Hyades, who cared for him. Dionysus lived in a cave on Mount Nysa in Libya, where he invented wine, for which he is mainly celebrated. As a reward for their services, Zeus placed the images of the Hyades among the stars in the heavens.

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Traveling Nitrogen Classroom Activity Kit

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The Pleiades

In Greek mythology, the Pleiades were seven sisters. Their names were Maia, Electra, Alcyone, Taygete, Asterope, Celaeno, and Merope. Their parents were the Titan Atlas and the Oceanid, Pleione. One day...more

Europa

Europa was the beautiful daughter of the Phoenician king of Tyre, Agenor. Zeus (Jupiter), the King of the gods according to Greek mythology, saw Europa as she was gathering flowers by the sea and immediately...more

Ahsonnutli

Ahsonnutli was the sky father and chief deity of the Navajo Indians. He created heaven, Earth, and the sky. Each of the four cardinal directions was supported by a giant. Each direction was also associated...more

Amphitrite

Amphitrite was one of the fifty Nereids, the attendants of the sea-god Poseidon. Poseidon (Neptune) had fallen in love with Amphitrite after seeing her dancing on the island of Naxos. Amphitrite rejected...more

Aphrodite

Aphrodite was the Greek goddess of love and beauty. She was known to the Romans as Venus. There were actually two different Aphrodites, one was the daughter of Uranus, the other the daughter of Zeus and...more

Apollo

In Greek mythology, Apollo was the son of Jupiter(in Greek Zeus) and Leto (Letona). He was the god of the Sun, logic, and reason, and was also a fine musician and healer. Leto travelled all over Greece...more

Cancer

According to an ancient Greek legend, the figure of a gigantic crab was placed in the nighttime sky by the goddess Hera to form the constellation Cancer. Hera was the jealous wife of the sky god, Zeus....more

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