Michelle Bryner

Each firework is packed with just the right mix of chemicals to create colorful lights.

Among the top questions baffling art enthusiasts is the elusive grin. Did da Vinci intentionally create the ambiguous appearance?

Why do people snore? Vibrating throat muscles are responsible for snoring.

Those little brown spots adorning your body are merely patches of pigment, called melanin.

Blushing is a uniquely human response to unwanted social attention.

Nearly a century ago, after someone realized that a scuffed-up ball travels farther than a shiny new one, balls gained dimples.

The mirror used in your favorite detective scene has a thin layer of partially reflective coating.

Scientists are still puzzled over the exact mechanism of purring.

When we set our clocks back an hour this weekend, will our pets notice the new schedule?

Despite a few news reports of cannibalism in Europe, experts say the practice is as taboo as ever.

This year's Mississippi River floods could set all-time records.

Why some places have more species than others.

A group in San Francisco aims to ban circumcisions in that city.

By encouraging biological nerves to grow into silicon tubes, scientists have created a cyborg hybrid that paves the way for the melding of man and machine.

Pets' schedules consist of eating and sleeping, so it seems hard to believe a little change in time could put them off-kilter.

You may not have used a mercury thermometer in years, but they're still popular in industry. Now that the government is phasing them out, what will replace the old standard?

An asteroid named Apophis is heading toward Earth with a reported estimated collision of 2036. Life's Little Mysteries answers the question: How scared should we be?

Gray whales are heading to their wintering ground off Baja California.

Robots that evolved from crawling babies into upright adults could help pave the way for better bots.

How does the brain patch itself up and regain function after a gunshot injury?