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Latest Justin Touchon Stories

Climate Change Alters Tree Frog Evolution
2012-10-26 06:40:59

April Flowers for redOrbit.com - Your Universe Online Though most of the over 6,000 species of frogs lay their eggs in water, many tropical frogs must lay their eggs out of water to protect them from aquatic predators, such as tadpoles and fish. The problem with this is that it increases the risk of the eggs drying out. A post-doctoral fellow at the Smithsonian Tropical Research Institute, Justin Touchon, recently discovered that climate change in Panama may be altering the course of...

2008-05-20 16:22:23

When our distant ancestors were making their way out from the water, they had to evolve a way to lay their eggs on land. Now a tree frog could help shed light on this mysterious, pivotal moment in history. This little yellow Panamanian amphibian is the first known vertebrate that can lay its eggs both in water and on land. The researchers looked at the hourglass treefrog (Dendropsophus ebraccatus), which is also known as the pantless treefrog because part of its leg lacks color....


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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