When Arizona Sen. Karen Johnson (R-Mesa) co-sponsored a bill that would’ve required the state’s science teachers “to present evidence that supports and evidence that does not support the theory of ...

I’ve heard the discussion dozens of times. “Should I take the time to completely revolutionize my brand, and wait for a light-switch moment?” Or… “Should I evolve my brand gradually, over time?” Brand ...

Preface -- Acknowledgements -- 1. Inside evolution : a new look at evolution -- 2. We are the champions! : the long-playing microbial fossil record -- 3. Rise of the gutless wonders : early animal ...