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Latest American Naturalist Stories

Predators Drive Evolution Of Poison Dart Frogs' Skin Patterns
2011-11-22 04:10:01

Natural selection has played a role in the development of the many skins patterns of the tiny Ranitomeya imitator poison dart frog, according to University of Montreal biologist Mathieu Chouteau.

2011-10-04 12:15:46

As climate change causes temperatures to rise, the number of herbivores will decrease, affecting the human food supply.

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2011-04-19 10:30:09

A little information can go a long way when it comes to understanding rodent-borne infectious disease, as shown by a new study led by scientist John Orrock of the University of Wisconsin-Madison and colleagues.

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2010-12-02 07:48:55

What sets mankind's closest relatives — monkeys, apes, and other primates — apart from other animals? According to a new study, one answer is that primates are less susceptible to the seasonal ups and downs — particularly rainfall— that take their toll on other animals.

2010-11-17 13:30:32

The nine-month pregnancy in humans is influenced by the structure of the placenta.

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2010-06-29 12:50:00

According to new research, several prehistoric creatures developed elaborate body traits in order to attract members of the opposite sex.

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2009-10-28 13:10:00

Scientists have discovered that one species of starfish has a remarkable strategy to avoid overheating in the sun.

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2008-12-15 16:21:57

MIT researchers have created a microbial ecosystem smaller than a stick of gum that sheds new light on the plankton-eat-plankton world at the bottom of the aquatic food chain.

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2008-08-29 11:35:00

Birds and others sing; anoles are first species known to mark time through visual displays

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2008-08-18 16:43:44

Researchers trying to determine whether nature or nurture determines an ant’s status in the colony have found a surprising answer. Both.


Word of the Day
cassation
  • The abrogation of a law by a higher authority; annulment.
  • In music, during the eighteenth century, a song or an instrumental piece similar to the serenade, intended for performance in the open air.
The word 'cassation' comes from the French 'cassation', from Latin 'casso' ("destroy, annul").
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