News for teens by teens, with access to adult topics.

Online lectures are good for math and science review.

Semi-social site helps users collect images for inspiration.

Social network adds a few good privacy tweaks for teens.

Creative fashionista outlet may offer too much contact.

Girls who get over stale design will find smart health info.

Site shows kids the fun in learning about science and tech.

Excellent tool for kids with nuts-and-bolts questions.

Book, TV character's site is engaging but overrun with ads.

Mostly tame entertainment portal has iffy off-site links.

With parental guidance, a good intro to online interaction.

Too many links, ads detract from online dictionary's value.