Questions and Answers

Questions and Answers

How can you find out whether the dye in spinach is a pure substance?

Corey Houghton -
Questions and Answers

Can the result of your blood analysis be influenced if the analysis was performed a few days after the blood sample was taken?

Corey Houghton -
Questions and Answers

Why does caffeine make me happy and energetic again when I’m down, but can it also make me feel restless?

Corey Houghton -
Questions and Answers

Who invented the mobile phone?

Corey Houghton -
Questions and Answers

Drainage of rainwater through a (horizontal) sewer pipe. A rule of thumb says that the surface area (cm²) of the cross-section of a...

Corey Houghton -
Questions and Answers

Can a walki-talki be used as a radio station? (so as transmitter)

Corey Houghton -
Questions and Answers

Is milk really healthy?

Corey Houghton -
Questions and Answers

Do deer still live in Flanders?

Corey Houghton -
Questions and Answers

Where do mosquitoes live?

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Questions and Answers

Why do we live?

Why does man live? How did the first man come to earth? Asker: amelie, 13 years old Answer Dear Amelia, The questions you ask are very obvious: I...
Corey Houghton -
Questions and Answers

Why did Georgia sue Russia in the International Court of Justice without its consent?

Georgia has recently initiated proceedings before the International Court of Justice against Russia in The Hague. How could it be if Russia as...
Corey Houghton -
Questions and Answers

When did people start counting with the birth of Christ as the starting date?

And how was the conversion to that era done from other time accounts? Asker: Jan, 57 years old Answer The Christian era as we know it today can...
Corey Houghton -
Questions and Answers

When were the first beet harvesters used in Belgium?

Which machines have reduced employment in the Belgian beet sector? Since when? Asker: Marc, 46 years old Answer I don't have a very precise answer, but you...
Corey Houghton -
Questions and Answers

What is the best way to borrow for a renovation? Is it best to pay the first invoices with your own or “borrowed”...

Suppose you are renovating your house. You have some savings, but you also have to borrow for it. The first costs of...
Corey Houghton -
Questions and Answers

Why is there a price difference between semi-skimmed milk in the same store? Is the milk different?

In the refrigerator section of the supermarket I see different brands of semi-skimmed milk that differ in price. Is the milk in the...
Corey Houghton -
Questions and Answers

What’s in a battery?

Asker: Dieter, age 13 Answer The parts of a battery are: - an anode (where an oxidation takes place, ie an electron is released) and a cathode (where...
Corey Houghton -
Questions and Answers

What is a marble made of?

I often play with marbles and suddenly I thought: what are marbles made of? If it's glass, it must be strong glass because...
Corey Houghton -
Questions and Answers

What about the warranty and lifespan of a mobile phone battery?

The warranty of a mobile phone is legally 2 years. The battery usually has no warranty or max 6 months. But with most mobile phones, the...
Corey Houghton -
Questions and Answers

what does the A stand for on an A4

I was just wondering what the A stood for because I don't think this letter is based on anything. Asker: Harm, age 15 Answer Dear Harm, The A4 format...
Corey Houghton -
Questions and Answers

Why does a word have a ‘gender’?

Here I refer, for example, to the German: der, die, das. Why is it die Freizeit, and not der/das Freizeit? Who determined that a...
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