Upconversion is a phenomenon in which low-energy photons are combined to produce a higher-energy photon. This process requires the successive absorption of two photons to emit a high-energy photon. As ...

Mulch helps create a uniform look, regulates moisture and temperature levels, and prevents weed growth. Organic mulch comes ...

Rice feeds more than half of the world’s population. Climate change is loading the beloved grain with arsenic, creating a ...

Doctoral student Natalie Yaw came to Lawrence Livermore National Laboratory (LLNL) as a summer intern. But when her time at ...

If you smell smoke, see a haze, and feel some difficulty breathing you’re likely experiencing the effects of raging wildfires ...

A test of a handful of popular chamomile tea brands found toxic "forever chemicals" in the leaves of more than half of the ...

Researchers developed a machine-learning model that can predict the structures of transition states of chemical reactions in less than a second, with high accuracy. Their model could make it easier ...

Rice feeds more than half of the world’s population. Climate change is loading the beloved grain with arsenic, creating a ...