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Saturday, August 3, 2013

ScienceDaily: Strange Science News

ScienceDaily: Strange Science News


Baby owls sleep like baby humans: Owlets spend more time in REM sleep than adult owls

Posted: 02 Aug 2013 06:48 AM PDT

Baby birds have sleep patterns similar to baby mammals, and their sleep changes in the same way when growing up. This is what a biologists found out working with barn owls in the wild. The team also discovered that this change in sleep was strongly correlated with the expression of a gene involved in producing dark, melanic feather spots, a trait known to covary with behavioral and physiological traits in adult owls. These findings raise the intriguing possibility that sleep-related developmental processes in the brain contribute to the link between melanism and other traits observed in adult barn owls and other animals.

Astronomers discovery a graveyard for comets

Posted: 02 Aug 2013 05:02 AM PDT

Astronomers have discovered a graveyard of comets. The researchers describe how some of these objects, inactive for millions of years, have returned to life leading them to name the group the 'Lazarus comets'.

Scientists uncover secrets of starfish’s bizarre feeding mechanism

Posted: 01 Aug 2013 08:31 PM PDT

Scientists have identified a molecule that enables starfish to carry out one of the most remarkable forms of feeding in the natural world. A starfish feeds by first extending its stomach out of its mouth and over the digestible parts of its prey, such as mussels and clams. The prey tissue is partially digested externally before the soup-like "chowder" produced is drawn back into its 10 digestive glands.

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