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05 June 2019 4,897 8 View

What can you do when spotting a non-researcher on RG?

I mean somebody with no scientific reasons and a lot of orthographic errors trying to "sell" his clues for happiness.

09 October 2018 3,237 0 View

Why prions are not investigated anymore?

Prusiner was given a Nobel price for explaining prion biology, unique in our biosphere. Prions are almost impossible to destroy, following WHO, in order to attenuate them, you have to boil them in...

08 September 2018 9,352 9 View

How 250 exhausted men in an unknown territory could defeat an empire with thousands of well-trained warriors?

Quezacoalt God promised to come back, bringing the red color to the Aztecs, which mean they didn't had bright red colorant. Hernan Cortes, who conquered Mexico, was born in Medellin, Extremadura,...

08 September 2018 1,472 4 View

Is it possible to domesticate AI?

After more than ten years searching the net in three or more languages, and almost nothing more than research, I have the strange sensation Google Search knows better my research in general and...

01 January 1970 9,641 3 View

How do you choose a new book?

Personally, I always follow the great Argentinian writer Jorge Luis Borges's trick: read the first page and the last page. If in-between triggers your curiosity, if you think "how could the author...

01 January 1970 4,361 13 View

Facing mind merchandization

That's what Petracha said in 14th C. Florence: " I couldn't face making a merchandise of my mind ". What are your thoughts at the respect?

01 January 1970 4,886 3 View

A Volcano producing a climate change?

This article analyze the consequences of Tambora's implosion (Indonesia) and the climate change it provoked in 19th C....

01 January 1970 9,582 20 View

Language learning in kindergarten schools

I think babies should be put in contact with as much new languages as they can, basically through sounds and games, somehow preparing the brains for further language studies.

01 January 1970 5,206 3 View

In which language do you think?

Most of us speak fluently 3 or more languages. But do you realize in which language you're thinking? In which language do you talk to yourself? Personally, English is a great way to clarify and...

01 January 1970 1,555 60 View

Binary Logistic Generalized Linear Mixed model in SPSS. Is it doable?

I want to analyses the proportion of swimming sperm of three species of fish in two salinities. To analyse the proportion of swimming sperm in a Generalized Linear Model, I would use a Binary...

03 March 2021 2,297 3 View

Good morning research fellows, Has anyone worked with senna alata plant extract on any kind of fish?

Literatures on the piscicidal effect of sennaa alata is scanty. if you have any related litrature either in the bark, leaves or roots used as treatment to any aquatic organism please kindly help...

28 February 2021 9,138 2 View

Experimental Design: How deal with pseudreplicates with immunological and clinical-chemical paramaeters?

Hello everybody, I am investigating the influence of a toxinon various clinical-chemical and haematological parameters in fish. I have three treatments (control, low dose, high dose) in my...

24 February 2021 1,243 1 View

Hi i want to ask that in order to find out LC 50 (96 hours) of particular toxin for fish. Should we keep the animals with food or without food?

if we expose the fish after acclimatization to particular toxin in order to find out LC 50 (96 hours).Should we keep the fish off feed or with feed for that duration. Some literature show that...

24 February 2021 357 2 View

Measuring Total immunoglobulin whole-body of fish larvae?

Hi Dear All, I prepared the extract of fish larvae whole body with PBS. Then protein concentration of the whole-body extraction samples determined by the Folin-Ceiocalteu-Phenol method (Lowry...

17 February 2021 1,971 3 View

What is the identity of additional bands found during fish gut microbiome 16S V4 PCR amplification?

Hi, I am carrying out test PCRs for 16S amplicon sequencing on Illumina MiSeq. I am using standard V4 primers: 515F/806R. The aim is to profile the microbiome of fish guts under different...

16 February 2021 5,668 6 View

Is this the fragment of a sauropod tooth?

Dear colleagues. Fragments of this species are very rare from a terrestrial Lower Cretaceous locality from Germany. Up to now from this locality sauropods could not be proved with certainty. Other...

14 February 2021 2,310 1 View

Problem to dissolve 50%wt Glycerol in 4%wt PVOH 28-99 ??

Hello everyone, I am trying to prepare a solution out of PVA(Polyvinyl alcohol)_Glycerol_Wasser . (4% PVA 28-99 and 50% Glycerin) To prepare this solution I first add PVA to 80degree water and...

06 February 2021 2,300 3 View

How to remove inter-year variation from my assessment of seasonal variation?

I have a 30 year dataset of fish sampling. I know from previous analyses that there is a huge amount of variation between years in catch rates. What I would like to do is create a plot that shows...

01 February 2021 3,980 5 View

Can anyone help to find any research articles related to the below mentioned objective?

Astaxanthin used in surimi based products as colour enhancer or as an antioxidant! Regards & Thanks Asik Ikbal

25 January 2021 9,399 4 View