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Like many plants, most species of grass produce a bright pigment called chlorophyll. Chlorophyll absorbs blue light (high energy, short wavelengths) and red light (low energy, longer wavelengths) well, but mostly reflects green light, which accounts for your lawn's colour.

Why is milk white?

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Combination of all wave lengths.


Why do wasps exist?

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To make picnics interesting .

Why can you put more garden waste in the bin if you cut it up in small bits?

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It compacts better, I jump on mine

Why is this place so addictive?

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Dandelions.

Why are pigs fat?

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Pigs are fatty animals, and one would presume their protective (and delicious) layer of fat helps protect them from the elements. Truth is, pigs have a hard time regulating their body temperature—it’s why many don’t survive cold weather, as well as the reason they enjoy rolling in mud (as a way to cool off). The high cost of heating is one of the reasons Chinese scientists have discovered a way to create pigs with less fat. In a paper released this week from the National Academy of Science (via NPR), a group of zoologists from the Chinese Academy of Sciences in Beijing discuss a method in which they’ve genetically mutated pigs to burn more fat, and thus, regulate their body temperature more efficiently.

Scientists said the technique, known as CRISPR/Cas9, yielded pigs with 24 percent less body fat than their normal porcine counterparts. They believe this can save farmers millions of dollars in heating, feeding, and caretaking costs. Of course, as these pigs are bred to be consumed, how would a less-fatty animal taste? The head researcher of the project told NPR he doubts the technique would affect the pork’s taste. (It does beg the question: If fat and marbling is the reason why pork—and all meats, for that matter—are so tasty, wouldn’t a less fatty meat taste less delicious?)

Why are some people so clever, but lack common sense?

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Excellent and informative response.

Common sense?
Not as common as its purported to be.

Why are bats blind?

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For the same reason Giraffes have a ridiculously long necks and Elephants have a nose they can drink through...God has a weird sense of humour,

Why is it if i'm in a huge field my boots find the only dog poo in that field?

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Because you have the same boots as my son, if it's there he will find it!!!

Why do people insist on taking your overhead locker on a plane???

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Because you allow it. 😡

What would you add to the sum of all knowledge