Latest Harold Urey Stories
Today, January 21, JoVE, the Journal of Visualized Experiments, published a modern approach to a famed experiment that explored one of the most intriguing research questions facing scientists today—the origin of life on earth.
NASA-funded researchers are refining a tool that could not only check for the faintest traces of life's molecular building blocks on Mars, but could also determine whether they have been produced by anything alive.
The European Space Agency (ESA), with its ExoMars mission, will deliver the first comprehensive life-detection science package since Viking to the martian surface.
Using primitive meteorites called chondrites as their models, earth and planetary scientists at Washington University in St. Louis have performed outgassing calculations and shown that the early Earth's atmosphere was a reducing one, chock full of methane, ammonia, hydrogen and water vapor.
- Withering but not falling off, as a blossom that persists on a twig after flowering.