(that's not the U2 guitarist, but the website/publisher)
As an activity, as a state of mind, science is fundamentally optimistic. Science figures out how things work and thus can make them work better. Much of the news is either good news or news that can be made good, thanks to ever deepening knowledge and ever more efficient and powerful tools and techniques. Science, on its frontiers, poses more and ever better questions, ever better put.
DANIEL C. DENNETT: The Evaporation of the Powerful Mystique of Religion
WALTER ISAACSON: Print As a Technology
DANIEL GOLEMAN: Transparency is Inevitable
GEOFFREY CARR: Malthus was wrong
and Steven Pinker, Michael Shermer, George Dyson, Jared Diamond, John Horgan, Sam Harris, Matt Ridley, Simon Baron-Cohen, Lee Smolin, Craig Venter, Paul Davis, Richard Dawkins, Brian Eno, and many, many more.