sunlight

PCE refers to the amount of sunlight a cell can convert to usable electricity.

Living organisms enjoy sunlight -- in fact, many need it to stay alive -- but they tend to avoid light that is too bright.

While it is widely known as the "dark side", this part of the Moon actually gets plenty of sunlight - we just don't see it.

Nature photosynthesis in land plants is normally below 1%, where less than 1% of sunlight energy is converted to plant biomass by converting CO2 to diverse molecules for plant growth, Yuan explained.

The day after his first birthday, after 366 days of living in the children's hospital, their boy finally felt sunlight on his face.