Many biologically important molecules change shape when stimulated by UV radiation. Although this property can also be found in some drugs, it is not yet well understood. Using an innovative technique ...

But on a submicroscopic level, temperature measures the average kinetic energy of the molecules or particles in an object or substance. The hotter they get, the more they move; therefore ...

New RNA-based active agents reliably protect plants against the Cucumber mosaic virus (CMV), the most common virus in ...

While the presence of these molecules is not proof of ancient life on Mars, scientists say it shows we could detect chemical signatures of past life, if it ever existed. Scientists have announced ...