[tt] KurzweilAI.net Daily Newsletter

[KurzweilAI.net]

KURZWEILAI.NET NEWSLETTER

NEWS
====

*************************
Toward a Type 1 civilization
Los Angeles Times July 22, 2008
*************************
Our civilization is fast
approaching a tipping point. Humans
will need to make the transition
from nonrenewable fossil fuels as
the primary source of our energy to
renewable energy sources that will
allow us to flourish into the
future, resulting in a Type 1
civilization (one that can harness
all of the energy of its home
planet), says Michael...
http://www.kurzweilai.net/email/newsRedirect.html?newsID=9131&m=40924



*************************
Nanoparticles + light = dead tumor
cells
PhysOrg.com July 29, 2008
*************************
Medical physicists at the
University of Virginia have created
a novel way to kill tumor cells
using quantum dots and light. Upon
exposure to high doses of radiation,
the dots become luminescent and emit
light that triggers the
cancer-killing activity of
Photofrin. The only photosensitizer
currently approved by the FDA,
Photofrin is absorbed by...
http://www.kurzweilai.net/email/newsRedirect.html?newsID=9130&m=40924



*************************
'Transsexuality gene' boosts male
hormones
NewScientist.com news service July 29, 2008
*************************
A gene variant for an enzyme called
cytochrome P17, which is involved in
the metabolism of sex hormones, has
been identified that appears to be
associated with female-to-male
transsexuality. Its presence leads
to higher than average tissue
concentrations of male and female
sex hormones, which may in turn
influence early brain...
http://www.kurzweilai.net/email/newsRedirect.html?newsID=9129&m=40924



*************************
Five ways to trigger a natural
disaster
NewScientist Environment July 29, 2008
*************************