The Diomede Islands—Big Diomede (Russia) and Little Diomede (USA)—are just 3.8 km apart but nearly a day apart in time, divided by the International Date Line. In winter, one can theoretically walk ...

He travels in space and time in the TARDIS. This version of the character is known as the Fifteenth Doctor, although we know there have been a number of additional incarnations. Varada Sethu as ...

Specific health risks vary depending on the region of the world and the kinds of snakes found there. For example, in Papua New Guinea, most of the snakes produce neurotoxic venom. David Williams ...

Specific health risks vary depending on the region of the world and the kinds of snakes found there. For example, in Papua New Guinea, most of the snakes produce neurotoxic venom. David Williams, a ...

Tim Friede, pictured here with a water cobra, exposed himself to snake venom over decades. Scientists say they have now made a broadly effective antivenom with the help of his antibodies.