Run run run run run run run run run The cheetah, the world's fastest land animal, can race up to 75 mph for short bursts. The greyhound is the fastest canid, and the second-fastest land animal, with a
While the Obama administration presses forward with plans to deal with climate change, Congress remains steadfast against taking action. It's not easy to find a scientist who will agree with that point
Plus some other fun facts about the solar system! Hello, tiny human! If you needed a quick reminder of how small you are in the universe, just check out this video, created by designer Philipp Dettmer.
US scientists say they have built the world's most precise clock, whose ticking rate varies less than two parts in one quintillion, or 10 times better than any other. The clock, made from the element could