From ocean to land: The fishy origins of our hips
First land animals kept fishlike jaws for millions of years, says biologist
Scientists studying how early land vertebrates evolved from fishes long thought that the animals developed legs for moving around on land well before their feeding systems and dietary habits changed enough ...
May 01, 2013
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Chimpanzees eat smart when it comes to mealtime
Chimpanzees watch what they eat and when, which may show that these primates are giving some thought to the quality of their food, according to Purdue University research.
Mar 21, 2013
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Saving the best for last: Wandering albatrosses' last push for successful parenting
New fish species described from the streams of Manyas Lake basin, Turkey
The newly described species Alburnoides manyasensis, belongs the large carp family Cyprinidae that includes freshwater fishes such as he carps, the minnows, and their relatives. This is the largest fish f ...
Mar 08, 2013
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Ectopic eyes function without connection to brain: Experiments with tadpoles show ectopic eyes that 'see'
For the first time, scientists have shown that transplanted eyes located far outside the head in a vertebrate animal model can confer vision without a direct neural connection to the brain.
Feb 27, 2013
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Researchers crack olfactory code for partner selection, synthesise first biologically effective perfume
(Medical Xpress)—Individual body odour plays an important role in partner selection. Humans, mice, fish and birds, and probably other vertebrates too, receive important information about a potential partner's ...
Feb 01, 2013
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The origins of a genetic switch
Cilia, microscopic whip-like organelles that protrude from the surface of many cell types, are almost ubiquitous. They are present in all eukaryotes—organisms whose cells have a nucleus—and have diversified ...
Jan 02, 2013
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Cutting Bergmann's Rule down to size
(Phys.org)—Matan Shelomi, a doctoral candidate in entomology at the University of California, Davis, is cutting Bergmann's Rule down to size.
Nov 20, 2012
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Crows react to threats in human-like way: Neural basis of crows' knack for face recognition
(Phys.org)—Cross a crow and it'll remember you for years. Crows and humans share the ability to recognize faces and associate them with negative, as well as positive, feelings. The way the brain activates ...
Sep 10, 2012
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New insights into how vascular networks form in fish brains
How the intricate network of blood vessels forms within the brain has long fascinated biologists. Though the human brain comprises only 2 percent of body weight it receives up to 15 percent of the cardiac output through this ...
Aug 14, 2012
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Zooarchaeological study indicating hominids already practiced sophisticated hunting techniques in East Asia
More than ten thousands of bone fragments were recovered from the Lingjing site, Henan Province during 2005 and 2006. By taking statistical analyses of the skeletal elements of the two predominant species ...
May 23, 2012
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Scientists lift lid on turtle evolution
The turtle is a closer relative of crocodiles and birds than of lizards and snakes, according to researchers who claim to have solved an age-old riddle in animal evolution.
May 16, 2012
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In a brainless marine worm, researchers find the developmental 'scaffold' for the vertebrate brain
