PhD in Chemical Biology. Currently Research Fellow in Cancer Biology (www.bettybooashbridge.wordpress.com)
Astronaut Group 21 will be the first people on Mars, if NASA has anything to say about it. And the new astronauts are nothing like the old.
A new study links human evolution all the way back to the first placenta-bearing mammals: the rat.
In order to address the individual and specific risk of a potential humanity killer, we would send out a scoping mission to probe its structure. And that would cost some money.
When Lee Harvey Oswald bought a bolt-action rifle in 1963 for under $20 and killed President Kennedy, gun legislation was passed five days later. This is President Obama's moment.