12/01/2024

How much life has ever existed on Earth?

All organisms are made of living cells. While it is difficult to pinpoint exactly when the first cells came to exist, geologists' best estimates suggest at least as early as 3.8 billion years ago. But how much life has inhabited ...

Understanding the effect of catalyst spin state on reaction

From a spin state perspective, metal complex catalysts are classified into two types: closed-shell catalysts (lacking unpaired electrons, typically based on noble metals like palladium) and open-shell catalysts (with unpaired ...

Capturing greenhouse gases with the help of light

If we want to slow down global warming, we need to drastically reduce greenhouse gas emissions. Among other things, we need to do without fossil fuels and use more energy-efficient technologies.

Brr, it's cold in here! NASA's cryo efforts beyond the atmosphere

Establishing sustained operations at the moon and Mars presents a multitude of opportunities and challenges NASA has yet to encounter. Many of these activities require new technologies and processes to ensure the agency is ...

page 6 from 7