Science

Questions and Answers

What is the best way to study mathematics?

What is the best way to study mental arithmetic? Asker: jane, 11 years old Answer Dear Jane, Practice makes perfect ! I practice all the time, first...
Corey Houghton -
Questions and Answers

What is the best formula to calculate pi?

Hi, I've been looking for the best formula to calculate pi for a while now. I am very interested in this. Asker: Clara, 13...
Corey Houghton -
Questions and Answers

On my keyboard with numbers 1, 2, 3 and 4 a code of 6 numbers has to be formed to open a door. ...

The intention is that those codes are ready somewhere so that my colleague would not use the same code. Asker: Carine, 50 years old Answer Dear Carine, Your...
Corey Houghton -
Questions and Answers

From what degree is there no longer a risk of hereditary disorders in children of parents from the same family?

Is the chance of hereditary disorders still high when a person marries a 6th degree blood relative? Asker: Appi, 23 years Answer Hi Appi, hereditary disorders due to "inbreeding"...
Corey Houghton -
Questions and Answers

Do sunscreens cause skin cancer?

Best next article states that the use of sunscreen does give rise to cancers. In short, we should not use a cream so that...
Corey Houghton -
Questions and Answers

Is skin cancer or breast cancer hereditary?

Hello, My mother once had skin cancer and breast cancer, and I am very concerned about whether it is hereditary. It sounds stupid,...
Corey Houghton -
Questions and Answers

Has the legal sulphite content of beer changed from 10 to 15 ppm?

Have a question about the legal sulfite content in beer. So far this is as I found on your site, 10 ppm. ...
Corey Houghton -
Biology

Some wild mushroom species still strained

In September and October, many people like to go mushroom picking. © dolgachov/iStock if(document.documentElement.clientWidth<=1220){ //var divAdtile1 =...
Elijah Burt -
Questions and Answers

How do you calculate the sugar content in (fruit) beer, based on a chemical test?

We are working on our research competence for the sciences at school. I wanted to make a fruit beer with our group and...
Corey Houghton -
Health & Medicine

Lower blood sugar: These foods are suitable

Few foods can actually lower blood sugar. Here you can find out why this is so and which foods are involved. Plus:...
Willy Lewis, M.D. -
Questions and Answers

How can you determine the alcohol percentage of beer?

I am looking for a test to determine the alcohol percentage of beer, preferably on the basis of a distillation. How does that...
Corey Houghton -
Questions and Answers

Does power also flow through devices and TVs when they are turned off or on standby?

If you plug a lamp into a socket, does current flow through it when the lamp is off? And is that sometimes dangerous? Asker: Femke,...
Corey Houghton -
Questions and Answers

How does a bridge over which a train travels move?

Is the bridge pulled, or is it pushed away? If the train bulges, the bridge will probably be pushed away; if the...
Corey Houghton -
Questions and Answers

How come the liquid doesn’t run out of an ampoule if one side isn’t open yet?

Mom takes vitamins every morning. They come in glass ampoules. She first has to break off a top on one side and...
Corey Houghton -
Questions and Answers

What kind of stone is this?

It was in the package of a box of mussels. Asker: Danny, 44 years old Answer Dear Danny It is a stone that was not so long ago in...
Corey Houghton -
Questions and Answers

Does the ISS have a lamp pointing downwards?

I once saw a dot at night while looking at the stars that flew quite straight. I could see it with the naked...
Corey Houghton -
Questions and Answers

Which rat or mouse is this?

Our cat often brings a dead mouse, rat or bird. I really don't know which rat or mouse we're talking about here. Asker: Bart, 28...
Corey Houghton -
Questions and Answers

Why are Berlin dumplings sold on the beach?

During our holiday by the sea we saw sellers of ice creams on the beach, but also Berlin dumplings. Is there a specific...
Corey Houghton -
Questions and Answers

From and until when was the name ‘Abyssinia’ for Ethiopia used internationally?

In the past, Ethiopia was usually referred to internationally by the exonym 'Abyssinia'. Also at the League of Nations. The name is...
Corey Houghton -
Questions and Answers

Is the NDB, a 28,000-year battery made from nuclear waste encased in diamonds credible?

A Californian company is developing a battery that will last 28,000 years and that generates its own electricity (and therefore does not need to...
Corey Houghton -
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