The Namib desert’s sand can be burningly hot but its air, blowing in off the Atlantic Ocean, is cool. Running generates a wind over the body. We concluded that the heat from the sun and from the ...

Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...

These ‘bubble bullets’ are louder than an underwater gunshot and hotter than lava. The immense heat and pressure also produce ...