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Southern Hemisphere Becoming Drier
2012-10-04 21:07:19

Lee Rannals for redOrbit.com — Your Universe Online New research reported in the journal Scientific Reports claims that the southern hemisphere is becoming drier. The researchers wrote that a decline in April-May rainfall over southeast Australia is associated with a southward expansion of the subtropical dry-zone. The scientists were looking to explore why autumn rainfall has been in decline across southeastern Australia since the 1970s, which is a period that included the...


Latest Tropics Reference Libraries

Avocado Tree, Persea americana
2014-02-14 16:17:00

Persea americana is a flowering plant that belongs to the Lauraceae family. It is widely known as the Avocado tree. P. americana is a tree that grows up to 66 feet tall. It has alternately arranged leaves that measure about 5 to 10 inches long. Its flowers are tiny and greenish-yellow, measuring .2 to .4 inches in diameter. The tree’s popular, pear shaped green fruit measures 2.8 to 7.9 inches long and weighs between 3.5 and 35 ounces. It contains a single large seed, measuring 2 to 2.5...

Queen Sago Palm, Cycas rumphii
2014-01-30 08:32:40

Cycas rumphii is a palm-like species of cycad plant. The plant may also be referred to as Queen sago or the Queen sago palm. This species is a member of the Cycadaceae family and is native to the Malesian region. The C. rumphii is a relatively small plant reaching approximately 33 feet. Its trunk is grey with diamond patterned bark and measures up to 16 inches in diameter. Its leaves typically grow between 4.9 and 8.2 feet long. Leaves have a bright green coloration and a glossy surface....

Queen Sago, Cycas circinalis
2014-01-30 07:56:38

Cycas circinalis is a species of cycad plant. also referred to as the Queen sago. C. circinalis is native to Sri Lanka, although it is a widely cultivated plant. C. circinalis is commonly used for landscape, decorative purposes and may be used as a food source. The plant’s seeds are carefully soaked, ground and used to make flour. You will often find its flour used in tortillas, tamales and soups. The palm-like plant is a slow growing species. C. circinalis are known to have a short,...

Tropic of Capricorn
2013-02-21 13:31:57

The Tropic of Capricorn, alternately called the Southern Tropic, is a marker of the most southerly latitude on the Earth at which the Sun can be directly overhead. This occurs at the December solstice, when the southern hemisphere is tilted towards the sun at its maximum degree. It is one of the five major circles of latitude that mark maps of the Earth. It presently lies 23 degrees 26’ 16’’ south of the Equator. Currently, the Tropic of Capricorn is drifting towards the north at...

Tropic of Cancer
2013-02-19 16:11:13

The Tropic of Cancer, which is also referred to as the Northern tropic, is the circle of latitude on the Earth that serves as a marker for the most northerly position at which the sun may appear directly overhead at its zenith. This event happens once per year, at the time of the June solstice, when the Northern Hemisphere is tilted towards the Sun to its maximum degree. Its Southern Hemisphere counterpart, marking the most southerly position at which the Sun might appear directly...

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Word of the Day
sough
  • A murmuring sound; a rushing or whistling sound, like that of the wind; a deep sigh.
  • A gentle breeze; a waft; a breath.
  • Any rumor that engages general attention.
  • A cant or whining mode of speaking, especially in preaching or praying; the chant or recitative characteristic of the old Presbyterians in Scotland.
  • To make a rushing, whistling, or sighing sound; emit a hollow murmur; murmur or sigh like the wind.
  • To breathe in or as in sleep.
  • To utter in a whining or monotonous tone.
According to the OED, from the 16th century, this word is 'almost exclusively Scots and northern dialect until adopted in general literary use in the 19th.'
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