Diseases, infections and dangers that could ruin your next hike.
Johanna Varner thought a devastating forest fire meant the end of her pika research on Oregon's Mount Hood. Instead, she discovered that the pint-size pikas survived the fire, providing new insight into their resiliency to environmental change.
Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.