Unexpected Germs Found On Everest

Now Playing

Unexpected Germs Found On Everest

Next Up

What Is Pollen? Science Behind The Seasonal Surge

See The New Top 5 Worst Allergy Cities

Is The Weather Making Allergy Season Worse?

Final Freeze On Average

Death Valley’s Best Wildflower Bloom In A Decade

How Much Longer Is Allergy Season In Your Area?

Seasonal Triggers That Impact Your Health

Here Are The Ingredients You Need For Severe Weather

Why The Western US Has Been So Mild in 2026

Climate Is Shifting Where And When We See Snow

This Trick Improves Your Home's Health (And Yours)

Not Your Imagination: Drastic Weather Flips More Common

Don't Let Spring Allergies Irritate Your Skin

This Is What Lizards Get Right About Spring

Hanging Laundry To Dry Indoors? Think Again

Do Bridges Really Freeze Before Roads?

How Weather Helps Predict Flu Spread

Snow? Sleet? Wintry Mix? What Drivers Should Know

California Superblooms: When and Where to See Them

Tornadoes In February? What Causes Them?

El Niño Possible: Spring, Hurricane Season Impacts

You Should Do This Now For Your Garden

Why You Might See Bees Swarming In Spring

Keep Furry Freeloaders Off Your Lawn