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Start-ups on a shoestring might not have the money for a public-relations agency or even a PR pro. Here are seven steps to do-it-yourself PR.

First nationwide estimate of oral HPV rates finds 7 percent of Americans ages 14 to 69 have virus

First nationwide estimate of oral HPV rates finds 7 percent of Americans ages 14 to 69 have virus

Jumping Spider: image courtesy of Science/AAAS To figure out how far away our dinner plate is our brain melds the slightly different images coming from our two eyes.

The moon of today is a static orb with little to no internal activity; for all intents and purposes it appears to be a dead, dusty pebble of a world.

Here s the sort of crazy idea that animates our office conversation at Scientific American . It all started with my colleague Michael Moyer s joke that a certain politician could build his moon base using a balloon: just capture the hot air and float all the way up. Ha ha, we all know that balloons don t work in outer space

The color of a candidate’s skin failed to sway voters to depress the lever for either Obama or McCain in the 2008 election, immediate analyses of that contest seemed to suggest. Some pundits hailed it as the first postracial election. [More]

Long hours - regardless of job - take toll on mental health, new study finds

Abusing nitrous oxide can lead to nausea, lung collapses, seizure, even death, experts say

The gardening cycle has been thrown off the rails in Debbie Ricigliano's Howard County, Md., vegetable garden in past years. Shrubs are blooming earlier, cherry buds are opening in the fall and flower bulbs are emerging when they shouldn't.

About 7 percent of adults and teens in the United States are orally infected with the human papillomavirus, or HPV, a new study says.

Gingrich in New Hampshire.

CDC study of freakish mystery illness finds no cause

Critics contend federal standards for more healthy foods in kids' lunches are overreach of government power

Key concepts [More]