In one Ikaria-funded study published in the Proceedings of the National Academy of Sciences, Albert Einstein College of Medicine's David Lefer found that low doses of hydrogen sulfide slashed heart damage by 72% in mice after heart attacks, even without inducing hibernation.
In 1900, David Hilbert, a German mathematician and contemporary of Einstein's, in a famous speech to the International Congress of Mathematicians, presented a list of what he considered to be the 23 most important problems for the new century.