Researchers found neurons in parietal cortex that carry signals correlated with reward probability and amount, reflecting the value a monkey places on an action. This discovery reveals a viable biological alternative to the Cartesian reflex paradigm.
A multi-center study found that people infected with human T-lymphotropic virus type II (HTLV-II) are at a greater risk of acquiring bronchitis, bladder and kidney infections, oral herpes, and pneumonia. HTLV-II is primarily found in injection drug users and Amerindian tribes in South and Central America.
Researchers confirm presence of fullerenes in Allende meteorite, which could have played a role in early Earth's history and origin of life. The discovery provides insights into the formation of the solar nebula and presolar dust.