Astronomy / Astrophysics

Complex organic molecules found in meteorites (artist concept NASA's Goddard Space Flight Center/Chris Smith)

At NASA Goddard Space Flight Center a new research have been carried out on twelve carbon-rich meteorites finding adenine and guanine, two nucleobases which are DNA components, but also nucleobases analogs such as 2,6-diaminopurine and 6,8-diaminopurine.

Luis Alvarez celebrate the Nobel Prize for Physics

Physicist Luis Walter Alvarez was born on June 13, 1911 in San Francisco, California. His research concerned radioactive elements but also radars. For his dvelopments theoretical and practical concerning research on particles he received the Nobel Prize for Physics in 1968. During the last years of his life he worked with his son Walter Alvarez on the theory of the extinction of the dinosaurs due to an asteroid strike.