Evolution May Explain Aggressive and Meek Toddlers

Monday, July 11, 2011 - 12:00 in Psychology & Sociology

Toddlers who were more afraid of new situations had higher levels of stress hormones than aggressive, outgoing kids do.

Read the whole article on Live Science

More from Live Science

Latest Science Newsletter

Get the latest and most popular science news articles of the week in your Inbox! It's free!

Check out our next project, Biology.Net