This second instalment of Dr Wilson Wong's new series explains LED grow lights for hobby gardeners. Read more at straitstimes ...

The plant uses this glucose to grow as well ... One is it provides us with oxygen, and the second is it harnesses the sun's light energy to produce food. Sunlight, chlorophyll, carbon dioxide ...

The light that living creatures can produce is created by a chemical reaction. For this reaction to happen a plant or animal must carry a molecule called luciferin, plus one of two enzymes called ...

The plant uses this glucose to grow as well ... One is it provides us with oxygen, and the second is it harnesses the sun's light energy to produce food. Sunlight, chlorophyll, carbon dioxide ...