
How Co-Sleeping with an Infant Might Make You a Better Dad
Fathers who sleep next to children have lower testosterone levels

How Co-Sleeping with an Infant Might Make You a Better Dad
Fathers who sleep next to children have lower testosterone levels

Changing Social Roles Can Reverse Aging
Old bees that start caring for young ones gain cognitive power

3 Years in, Bitcoin Digital Money Gains Momentum
The digital currency exchange network now includes more than 1,000 merchants and at least tens of thousands of unaffiliated users, as it tries to solve barriers to participation

Do Criminal Trials Help Us Heal from Mass Shootings?
The experience of seeing the wheels of justice turn can provide a sense of relief and resolution, but only for survivors who do not progress to post-traumatic stress disorder

Brain Likely Encodes the World in 2 Dimensions
Our internal representation of the world is flat

World-Changing Ideas
10 new technologies that will make a difference

Currency without Borders
The world's first digital currency cuts out the middleman and keeps users anonymous

Pain Lessens Guilt
Physical discomfort can alleviate mental suffering