World Science: "Maternal instincts" seen in group of colorful beetles

* Could changes to your chromosomes make you 
aggressive?:
Chronic aggression in some boys from poorer families
may stem from "epigenetic" changes in early life,
studies suggest.

http://www.world-science.net/othernews/130929_aggression.htm


* Nanotube computer could revolutionize 
electronics, researchers say:
Engineers have made a basic computer using carbon
nanotubes, a pasta-like material they hope will
replace the less efficient silicon.

http://www.world-science.net/othernews/130925_nanotubes.htm


* "Maternal instincts" seen in group of colorful 
beetles:
A group of related beetles in the thick foliage of
tropical forests shows signs of maternal instincts
and active care, scientists say.

http://www.world-science.net/othernews/130927_chrysomelinae.htm


* Playing with blocks may boost math skills:
An old playroom standby may help kids develop skills
that support learning in science and related fields,
findings suggest.

http://www.world-science.net/othernews/130924_blocks.htm


* Our "home" black hole's last big blast dated 
to 2 million years ago:
A sleeping "volcano" lies at the heart of our
galaxy.

http://www.world-science.net/othernews/130922_blackhole.htm




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