The process through which light rays falling on the surface on an object are sent back is called reflection of light. Thus, when light falls on the surface of an object it sends back the light. The ...

A study of chrysanthemum investigated plants' circadian responses to interruptions in light cycles. Plants were exposed to irregular supplemental light breaks during the night; results showed a ...

AARSLEV, DENMARK—Scientists know that plants can actually "sense" day length, and "schedule" their growth to coincide with specific environmental conditions. These natural events are based on the ...

As showing how far under favourable conditions the reflection of light from a cloudy sky is visible, I may perhaps be allowed to mention that last night at nine o'clock the reflection of the London ...