A pair of physicists at Universidad Nacional de Mar del Plata, in Argentina, have created a computer simulation of the famed Antikythera Mechanism and in so doing have found that manufacturing ...

430 million years ago, towering life-forms known as Prototaxites emerged from the ground, reaching heights of up to 26 feet and growing trunks up to 3 feet wide. When the first Prototaxites fossil ...