To prevent future sunburns, apply sunscreen, seek shade, and wear long-sleeves when in the sun. More than 1 out of every 3 Americans report getting sunburned at least once a year. A sunburn is ...

Find shade. Or create your own shade with a canopy ... facilities allow people to rest there during their open hours. Seek ...

This story appears in the November 2016 issue of National Geographic magazine. Most animals seek shade when temperatures in the Sahara soar to 120 degrees Fahrenheit. Saharan silver ants seek ...