(CNN) — When Dr. Yasir Hamad heard that a patient's tongue had turned black, he decided he needed to see it for himself. "It was the typical textbook case" of a condition known as black hairy tongue, Hamad,
استخدام وحيد يعرفه العالم للواقي الذكري، أما سكان كوبا، فلهم فيه مآرب أخرى، قد تستغربونها. فهم يستخدمونه لصيد الأسماك، وإصلاح عجلات السيارات، والفتيات يستخدمنه كربطة للشعر. كل هذا انطلاقا من مبدأ الحاجة
We've rounded up 2014's most mind-blowing images for your viewing pleasure Each week at Popular Science, the staff scours the web for the most amazing images from the realms of science and technology.
Instead of arriving later by comet impact, Earth's waters have likely existed since our planet's birth. The water that makes Earth a majestic blue marble was here from the time of our planet's birth, to
Starstruck Stargazers enjoy Mars in all its glory, and travels, this week. Mars takes center stage for sky-watchers this week, enjoying a rendezvous with the moon and a pair of creatures straight out the
Weird & Wild An 11-year-old reticulated python produced six babies without mating in 2012. Virgin birth has been documented in the world's longest snake for the first time, a recent study says. An 11-year-old