The holiday honors a 19th-century battle between the French and the Mexican armies that, strangely enough, may have influenced the outcome of the US Civil War.

More likely dangers include administrative hassles and fines.

Platelets heal wounds. But they also seem to play a paradoxical role in both promoting and inhibiting the growth of solid tumors.

Many immigrants come to the United States chasing the 'American dream.' So do immigrant racehorses, who literally carry the hopes of their trainers and riders on their backs.

Former President Jimmy Carter's foreign policy efforts may have been far more effective than critics have claimed.

The Dutch holiday on May 4 that commemorates the country's dead from World War II and after reveals how Dutch policy divides people along racial lines and ignores the Indonesian dead in that war.

The electric utility is seeing rapid changes and threats that affect consumers, from more wind and solar to wildfires. How they react depends in large part on regulators.

By acquiring knowledge of other places and people, travel can make us more peaceful in our interactions with others.

Urban beekeeping is growing in popularity, but so is the backlash against honey bees.

The question of whether heightened testosterone confers an advantage for some female athletes remains contentious.