But hedge fund manager Ross Stevens believes the greenback faces a more formidable foe, one he calls its ultimate “kryptonite ...

Superman debuted in Detective Comics' (known now as DC Comics) Action Comics #1 in April of 1938. It depicted Superman's first sally of righteousness into the criminal underworld of Metropolis. On its ...

“Kryptonite” is a fictional material that brings down Superman, but the element krypton actually exists, and molecules that end in “ite” actually exist. Why can’t we make kryptonite? Chemistry is one ...

Photo by Chad Adkins Richard Gillespie welds motor mounts at Kryptonite Racecars. As the temperature in the shop neared 90 degrees, Richard Gillespie finished welding pieces of metal together. Taking ...

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Duncan Niederlitz and Eve O ...