DVDs don't turn toddlers into vocabulary Einsteins
But some parents mistakenly think kids do learn words from watching these popular programs

Alzheimer's trade-off for mentally active seniors
Stimulation delays cognitive decline, but disease advances quickly once it starts

Sadness response strengthens with age
In study, older people reacted more strongly to sad scenes than twentysomethings did

DNA variant may make heavy boozing a team sport
Carriers imbibed more around hard-drinking partners

Ancient hominids grabbed early northern exposure
British site yields stone tools from oldest known northern Europeans

Botox injections put a crease in emotional evaluations
Freezing the frown muscle slows appraisals of angry, sad sentences

Social judgments take touching turns
Tactile sensations can sway people's negotiating tactics and first impressions

For sight-reading music, practice doesn't make perfect
A basic type of recall may limit the benefits of experience

Travelers have southern bias
Many people may perceive northern paths as uphill and avoid them

Secondhand smoke linked to mental distress
Risk of psychological troubles rises for exposed nonsmokers

Making scents of a partner's feelings
Couples pick up on subtle differences in other half's emotion-laden odors

Traumatic events trigger diverse responses
New study compares difficulties faced by survivors of life-threatening events

Perfectionism works for some diabetics, but not for new moms
Striving for flawlessness bolsters health for some, not others

Kids face up to disgust surprisingly late
Understanding of this yucky emotion may not emerge until age 5

Chaos makes a scream seem real
Researchers dissect movies to learn what fear sounds like