Childhood Stress Decreases Size of Brain Regi...

New evidence points to the evolution of the ability for bacteria to grab nitrogen from the atmosphere some 3.2 billion years ago, about 1.2 billion years earlier than thought—with implications for finding extraterrestrial life. Lee Billings reports 

A dwarf galaxy near the Milky Way may consist of more dark matter than regular matter.* Clara Moskowitz reports 

Summary - Like a bonzai tree there are times when the brain is developing and malleable. - The brain begins development in the first trimester and continues until age 24. - During adolescence different parts of the brain develop at different times (different branches of the tr ...  Show more

A long-term decline in unsupervised activity may be contributing to mental health declines in children and adolescents. Learn more about your ad choices. Visit megaphone.fm/adchoices 

A long-term decline in unsupervised activity may be contributing to mental health declines in children and adolescents. Learn more about your ad choices. Visit megaphone.fm/adchoices 

Neuroscientist and pediatrician Kimberly Noble is leading the Baby's First Years study: the first-ever randomized study of how family income changes children's cognitive, emotional and brain development. She wants to find out: Can we help kids in poverty simply by giving families ...  Show more