How is it possible to guarantee the microbiological safety using sludge from urban effluent treatment plants in agriculture?

It is a good thing to return this organic matter to the soil, but it is likely to contain pathogenic microorganisms.

01 May 2020 6,522 10 View

Can someone help with Powder XRD for thin film characterization?

Dear colleagues, I've electrodeposited a thin metal layer on a substrate of a different metal. I expect the layer and the substrate to react and form one or several intermetallic phases, which I...

10 March 2015 9,185 13 View

Primers "price" for SARS-CoV-2

Dear colleagues, We are totally shocked with the primer costs for SARS-CoV-2. I considered should be the opposite (cheaper than others) if considering diagnosis as important to help to deal with...

01 January 1970 8,928 11 View

How do historians determine the credibility sources in modern history?

For a source to be considered reliable it must contain accurate historical information. But how does one determine the accuracy and reliability of sources in modern and recent history since not...

23 February 2021 1,346 13 View

Any recommendations for methods to analyze elephant space-use (using GPS) and correlating this with changes in NDVI?

For my Masters I am looking into elephant space-use and its effect on vegetation change. I have elephant GPS collar data and was going to use Google Earth Engine to obtain NDVI values. I would...

16 February 2021 7,097 3 View

How do you annotate figures to show significance?

30 January 2021 1,008 3 View

When is the right time to stop training a classification algorithm?

In this example giving 400 samples looks like there is an accuracy of 91.5% while training beyond that point, accuracy is getting decreased. Are 400 samples enough to keep for this example? If...

27 January 2021 5,657 3 View

What new can be added in the field of historical studies to implement more realistic programs?

What new can be added in the field of historical studies to implement more realistic programs in dealing with the events of history and interpreting them with scientific sincerity and competence?

26 January 2021 559 1 View

Helicoverpa armigera eggs are not hatching in lab condition, why?

Dear RG friends, I am providing a complete H. armigera diet for larvae and maintaining the eggs in the growth chamber as well as in-room conditions. But since three months, eggs laid from the...

21 January 2021 5,546 32 View

Can't find an ancient zoology paper ?

I'm desperately looking for an old planarian paper which is cited here. Does anyone have an idea how to get hold of it...

21 January 2021 5,957 8 View

Genus name priority from the same publication (Zoology)?

I came across a recent taxonomic work, where two genera were synonymized. Both genera were published in a paper in 1922 by the original author who revised the family at that time. The original...

19 January 2021 1,920 4 View

Which statistical test to use to see if there is a significant difference between the vigilance of bird species at different feeders (in SPSS)?

I have gathered data on bird species visiting 4 hanging feeders in different locations and have calculated the proportion of time they have spent displaying vigilant behaviour while at the feeder....

18 January 2021 9,959 7 View

If The Star Sirius Was Described As Red In Historical Times, Why Is It White Now?

Several classical age writers described Sirius as red or reddish or more red than Mars, along with other red and orange stars that are still the same colors described in the past. Sirius has...

05 January 2021 1,080 2 View