Apple Pay Signals New Era at Cash Register - NYTimes.com.
From Pen and Phone to Bombs and Drones - NYTimes.com.
God, Darwin and My College Biology Class - NYTimes.com.
BBC News - UK energy mix: Where does our power come from?.
Is Exercise Bad for Your Teeth? - NYTimes.com.
The Benefits of Economic Expansions Are Increasingly Going to the Richest Americans - NYTimes.com.
BBC News - Fired US worker beheads female colleague.
BBC News - UN climate change summit: China pledges emissions cuts.
The Jihadists' Promise: Power over Death.
BBC News - Syria: US begins air strikes on Islamic State targets.