Mother tongue comes from your prehistoric father

ScienceDaily (2011-09-17) -- Language change among our prehistoric ancestors came about via the arrival of immigrant men -- rather than women -- into new settlements, according to new research.

domingo, 11 de septiembre de 2011

Controlling movements with light

ScienceDaily (2011-07-21) -- Researchers have succeeded in controlling the activity of certain nerve cells using light, thus influencing the movements of mice. By changing special receptors in nerve cells of the cerebellum such that they can be activated and deactivated by light, the researchers have shown that the signaling pathways, which are activated by the receptors play a crucial role in controlling movement.

Positive teens become healthier adults: Adolescents with a sunny outlook on life may have better health in their adult years

ScienceDaily (2011-07-23) -- Teenagers are known for their angst-ridden ways, but those who remain happy and positive during the tumultuous teenage years report better general health when they are adults, according to a new study.