Science and the Holidays

Recent research concludes that parents significantly overestimate how sugar affects their children's hyperactive behavior. Susannah F. Locke reports.

Are we running out of oil?

This year's tree in midtown Manhattan, like last year's, will go toward building Habitat for Humanity housing

Kids can now use cell phones, Twitter and photo-sharing sites to monitor Santa's progress on Christmas Eve

Research suggests that women don't seem to mind if they receive the less-than-perfect gift. Men, on the other hand, are a different story. Susannah F. Locke reports

The ice is melting across the Arctic—and Antarctica is starting to thaw, too. David Biello reports

When deciding on real or fake trees for the holiday season, think through the green pros and cons. David Biello reports

Where to find gifts that are safe for children--and the environment

What's the best way to get home for the holidays?

We run the numbers to see whether keeping kosher has any effect on your carbon footprint

An ingredient in frankincense eases anxiety and elevates mood

The virgin births of several male Komodo dragons at two English zoos might provide one explanation why Jesus was not a clone of Mary

A new study shows that tapping trees for frankincense--often used in religious ceremonies--could be destroying them.

by Alison Snyder