The great-grandson of a famous founder (of the nation and this University) and “boyhood’s friend” of the president of the Confederacy, educational reformer and onetime Penn professor Alexander Dallas Bache made his own reputation by championing the professionalization of American science in the mid-1800s.
Michael E. Mann has been a central figure in the battle for the environment since the “hockey stick” graph made him a target for climate change deniers 25 years ago. Now on Penn’s faculty and heading the Center for Science, Sustainability, and the Media, he’s fending off a new generation of “inactivists” comprised of climate change deflectors on the right and doomists on the left to get out the message that it’s still within our power to save the planet.
A team of researchers led by Penn’s Wistar Institute have shown in a clinical trial that HIV-infected patients can fight off the virus by themselves if their immune system is given a boost.
David Brooks on the mysteries of perception.