Megan Phelps-Roper shares details of life inside America's most controversial church and describes how conversations on Twitter were key to her decision to leave it.

Being listened to is so close to being loved that sometimes your brain can’t tell the difference.

"Blindness to local cultural variability is precisely what makes statistics vulgar and potentially offensive"

As much as oil shaped the global geopolitics of the 20th century, water has the power to reorder international relations in the current century. 

'To listen and understand; to question and disagree; to treat no proposition as sacred and no objection as impious.'

One of America’s foremost Marxist economists has never felt so optimistic in his 50-year career.

The Italian island of Sardinia has more than six times as many centenarians as the mainland and ten times as many as North America. Why? According to psychologist Susan Pinker, it's not a sunny disposition or a low-fat, gluten-free diet that keeps the islanders healthy -- it's their emphasis on close personal relationships and face-to-face interactions. Learn more about super longevity as Pinker explains what it takes to live to 100 and beyond.

Science has shown what’s possible with lamb foetuses. For humans this could revolutionise birth, solving inequalities and raising new ethical dilemmas.