Understanding the difference between natural and synthetic caffeine. Why where your caffeine comes from matters.
Timelapse of the observatories atop Mauna Kea, Hawaii. Did you know: From its underwater base to summit, Mauna Kea is over 10,000 meters tall compared to 8,848 meters for Mount Everest—making it the “world’s tallest mountain”. Filmmaker and adventurer, Sean Goebel captures 3 days of the night sky from nearly 14,000 feet above sea level.