Study suggests human intelligence declining
A new study shows humans reached their intelligent peak thousands of years ago because of a genetic mutation.
© 2013 Sinclair Broadcast Group. By using this website,
you accept the terms of our Visitor Agreement and Privacy Policy, and understand your options regarding Ad Choices
.
You're Almost Done!
Select a display name and password
{* #socialRegistrationForm *} {* socialRegistration_displayName *} {* socialRegistration_emailAddress *} {* traditionalRegistration_password *} {* traditionalRegistration_passwordConfirm *}Tell us about yourself
{* registration_firstName *} {* registration_lastName *} {* registration_postalZip *} {* registration_birthday *} {* registration_gender *} {* agreeToTerms *}