Science

Questions and Answers

Where do mosquitoes live?

Corey Houghton -
Biology

Dolphins form complex social alliances

Dolphins in Shark Bay, Australia. © Simon Allen if(document.documentElement.clientWidth<=1220){ //var divAdtile1 = document.getElementById("iqadtile1-wrapper"); var divAdtile3 = document.getElementById("iqadtile3-wrapper"); //var divAdtile1Mobile...
Elijah Burt -
History & Archaeology

Pyramids of Giza: Nile arm helped transport stones

When the pyramids were built, the side arm of the Nile reached as far as the Giza plateau. © Alex Boersma/PNAS ...
Alan Cannon -
Health & Medicine

On the trail of slimy diversity

Slimy fluids perform vital functions in the body. © Mollypix/iStock if(document.documentElement.clientWidth<=1220){ //var divAdtile1 = document.getElementById("iqadtile1-wrapper"); var divAdtile3 =...
Willy Lewis, M.D. -
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...
Corey Houghton -
Questions and Answers

With whom did Atalanta have a son?

Hi, my name is Lisa. For Latin we have to make a research competence. The person I need to discuss is Atalanta...
Corey Houghton -
Questions and Answers

Are you an atheist if you don’t believe in god but still hope he exists?

Hello, I am fully convinced that god does not exist, but I must add that I would be "pleasant" (or hope) that he does exist....
Corey Houghton -
Earth & Climate

Greenland’s ice melt concretized

Ice explorer Jason Box taking samples in West Greenland. © The Geological Survey of Denmark and Greenland (GEUS) ...
Ashton Edwards -
Questions and Answers

Which questions are not answered?

Are there questions to which there is no answer such as: "What is the meaning of life?" Asker: whens, 17 years Answer It is important to distinguish between...
Corey Houghton -
Questions and Answers

Does God really exist?

I don't know if God really exists. Sometimes I do, but the other day I don't. Asker: Michael, 11 years old Answer No one on this website,...
Corey Houghton -
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