Wormholes are often imagined as tunnels through space or time—shortcuts across the universe. But this image rests on a ...

While many animals walk on the balls of their feet, humans use a heel-first stride. Researchers suggest that this gives humans the advantage of longer 'virtual limbs.' James Webber took up barefoot ...

Marshall Hargrave is a stock analyst and writer with 10+ years of experience covering stocks and markets, as well as analyzing and valuing companies. Gordon Scott has been an active investor and ...