World Science: After anesthesia, 'primitive' consciousness awakens first

* After anesthesia, "primitive" consciousness 
awakens first:
Brain structures that we share with many animals go
into action first as awareness emerges, research finds.

http://www.world-science.net/othernews/120404_consciousness


* Coupled stars seen as chief diet for hungry 
black holes:
Black holes at the hearts of galaxies may grow by
swallowing single stars from pairs of stars, a new
study proposes.

http://www.world-science.net/othernews/120404_blackholes


* Earth-like planets could number "billions" in 
our galaxy:
Red dwarf stars host an abundance of worlds that
could hold liquid water, astronomers report.

http://www.world-science.net/othernews/120329_planets


* Planets from long ago puzzle astronomers:
Scientists have identified a planetary system that
they describe as a likely survivor from one of the
earliest cosmic times.

http://www.world-science.net/othernews/120328_planets


* Link between fast food, depression "confirmed":
A new study supports past research tying fast food
consumption to a greater risk of depression.

http://www.world-science.net/othernews/120402_fastfood


* All cattle descend from one small herd, study 
finds:
Living cattle descend from as few as 80 animals
domesticated from wild oxen in the Near East some
10,500 years ago, a DNA analysis suggests.

http://www.world-science.net/othernews/120327_cattle


* 2nd study links pesticide to bee epidemic:
Mysterious collapses of honeybee populations may be
explained, scientists say.

http://www.world-science.net/othernews/120405_imidacloprid


* Dolphins may be dying due to U.S. oil spill, 
scientists say:
Dolphins in the Gulf of Mexico are showing signs of
severe ill health, according to preliminary findings
from a U.S. agency.

http://www.world-science.net/othernews/120326_dolphins


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