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20 votes
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Will proper autoclave treatment really "inactivate all resistant bacterial spores"? If not, how widespread are autoclave-resistant bacterial spores?

Bacterial spores in most contexts are properly called endospores, formed within the bacterial wall and are a survival mechanism, creating resistance to desiccation, heat and cold, with tolerances up ...
bob1's user avatar
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8 votes
Accepted

Can dogs see infrared radiation, i.e., heat?

A dog's nose can even sense weak thermal radiation, as found out recently by researches at at Lund University and Eötvös Loránd University. So strong thermal radiation can be detected from a couple of ...
iLuvLogix's user avatar
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5 votes
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Why don't plants get hot under sunlight?

Take a look at the Temperature paragraph from this reference: Ecophysiology Plants can avoid overheating by minimising the amount of sunlight absorbed and by ...
Dart Feld's user avatar
  • 868
4 votes

How didn't large, highly active dinosaurs overheat?

There has been a long debate whether dinosaurs were ectotherms or endotherms but most of the recent studies (hypotheses)1 show that they were endotherms. In one of the most promising recent studies (...
ermanen's user avatar
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3 votes
Accepted

Why does sunburn cause fever?

Here is a good article on the topic. https://www.nlm.nih.gov/medlineplus/ency/article/003227.htm But it's most likely due to the fact that a sun burn is an actual burn on the skin that can cause ...
Mr Hons's user avatar
  • 56
3 votes

Is heat released during work due to ATP breakdown or a increased blood flow?

Is heat released during work due to ATP breakdown or a increased blood flow? Short answer: neither. Most of the heat generated is due to poor efficiency of metabolism. It is a common misconception ...
Roland's user avatar
  • 5,705
3 votes

Is heat released during work due to ATP breakdown or a increased blood flow?

Is heating of a body the result of increased blood flow or extra energy from ATP? It is mainly because of the breakdown of ATP (Adenosine Triphosphate, a type of nucleic acid with an Adenosine base, ...
Aleksandr Hovhannisyan's user avatar
2 votes

advantages of shivering in cold environments

Firstly, movement by shuddering or shivering, in simplicity, effects the conversion of potential energy into kinetic energy. This is achieved by expending ATP in muscular tissue, causing rapid bursts ...
Epistemonaut's user avatar
2 votes
Accepted

Why do people cut back on kilo-calories?

The calorie is a unit of energy. Our body uses the energy found in food to create ATP (a molecule that is handy to deal with energy) with the help of oxygen (that we breath in). ATP can then be used ...
Remi.b's user avatar
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2 votes

Are there any thermogenic plants which are suitable as houseplants?

The heat the plant produces ultimately comes from the light it uses. Unless the plant produces heat just in the wanted time (winter?) from light absorbed another time; then you would be just as warm ...
Polypipe Wrangler's user avatar
1 vote

How is boiling oil tolerated by some people?

In a biology forum, you may be asking about a biology question by proxy, though what we'll really be getting at is that one must first correctly apply a healthy amount of scientific thinking to ...
S Pr's user avatar
  • 6,202
1 vote

How does a sheep's fleece impact its tolerance for high temperatures?

Wool serves as a good insulator, meaning it doesn't allow warmth to escape the wearer easily allowing the wearer to remain warm. Furthermore, wool helps maintain a dry environment by absorbing ...
Ark Lomas's user avatar
  • 933
1 vote

Carotene in Dracaena draco

Looks like they do. What We Know and What We Do Not Know about Dragon Trees? Numerous phytochemical studies of resins from the Dracaena species resulted in the isolation and subsequent ...
Willk's user avatar
  • 2,964
1 vote

Why don't plants get hot under sunlight?

You mix several things. logic: if the plant converts some of the radiation into energy rather than heat + reflection, then it's normal that it heats less than some other object with same amount of ...
Fabrice NEYRET's user avatar
1 vote

How does heat generated by metabolism differ compared with heat generated through exercise?

First, you have to convert your numbers to the same units for any comparison to make sense. Consider that the average human body has a surface area of about 1.8m$^2$ and a volume of about 66L = 0.066m$...
Roland's user avatar
  • 5,705
1 vote

By What Mechanism Does Heat Cause Muscle Relaxation?

Read this it was very helpful to me as a Reiki Practitioner who wants to know how the heat generated by my hands on therapy with my patients for Hospice brings such relaxation to them. http://...
Joyce's user avatar
  • 11

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